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Toshiba MMY-MAP0804HT7JP, Service Manual

The Toshiba MMY-MAP0804HT7JP Service Manual is a comprehensive guide that provides step-by-step instructions for owners of this high-quality product. With the ability to download it for free from our website, users can easily access this essential manual to maximize the efficiency and performance of their Toshiba MMY-MAP0804HT7JP device.

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– 168 –

T

L

A

2

1

F

–

2

1

F

Outdoor suction 
temperature sensor (TS1) 
error

Outdoor suction temperature sensor (TS1) has 
been open/short-circuited.

T

L

A

5

1

F

–

5

1

F

Outdoor temperature 
sensor (TE1, TL) wiring 
error

Wiring error in outdoor temperature sensors (TE1, 
TL) has been detected.

T

L

A

6

1

F

–

6

1

F

Outdoor pressure sensor 
(Pd, Ps) wiring error

Wiring error in outdoor pressure sensors (Pd, Ps) 
has been detected.

T

L

A

2

2

F

–

2

2

F

Outdoor discharge 
temperature sensor (TD3) 
error

Outdoor discharge temperature sensor (TD3) has 
been open/short-circuited.

T

L

A

3

2

F

–

3

2

F

Low pressure sensor (Ps) 
error

Output voltage of low pressure sensor (Ps) is zero.

T

L

A

4

2

F

–

4

2

F

High pressure sensor (Pd) 
error

Output voltage of high pressure sensor (Pd) is zero 
or provides abnormal readings when compressors 
have been turned off.

r

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r

e

 

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P

E

E

 

r

o

o

d

t

u

O

M

I

S

1

3

F

–

1

3

F

Outdoor EEPROM is faulty (alarm and shutdown 
for header unit and continued operation for follower 
unit)

H05

–

H05

Outdoor discharge 
temperature sensor (TD1) 
wiring error

Wiring/installation error or detachment of outdoor 
discharge temperature sensor (TD1) has been 
detected.

H06

–

H06

Activation of low-pressure 
protection

Low pressure (Ps) sensor detects abnormally low 
operating pressure.

n

o

i

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c

e

t

o

r

p

 

l

e

v

e

l

 

li

o

 

w

o

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7

0

H

–

7

0

H

Temperature sensor for oil level detection (TK1-5) 
detects abnormally low oil level.

H08

01: TK1 sensor error
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error
05: TK5 sensor error

H08

Error in temperature 
sensor for oil level 
detection (TK1-5)

Temperature sensor for oil level detection (TK1-5) 
has been open/short-circuited.

H15

–

H15

Outdoor discharge 
temperature sensor (TD2) 
wiring error

Wiring/installation error or detachment of outdoor 
discharge temperature sensor (TD2) has been 
detected.

H16

01: TK1 oil circuit error
02: TK2 oil circuit error
03: TK3 oil circuit error
04: TK4 oil circuit error
05: TK5 oil circuit error

H16

Oil level detection circuit 
error

No temperature change is detected by 
temperature sensor for oil level detection (TK1-5) 
despite compressor having been started.

H25

–

H25

Outdoor discharge 
temperature sensor (TD3) 
wiring error

Wiring/installation error or detachment of outdoor 
discharge temperature sensor (TD3) has been 
detected.

M

I

S

4

0

L

–

4

0

L

Duplicated outdoor 
refrigerant line address

Identical refrigerant line address has been 
assigned to outdoor units belonging to different 
refrigerant piping systems.

L06

Number of priority indoor units
(check code L05 or L06 depending 
on individual unit)

M

I

S

5

0

L

Duplicated priority indoor 
unit (as displayed on 
priority indoor unit)

More than one indoor unit has been set up as 
priority indoor unit.

M

I

S

6

0

L

Duplicated priority indoor 
unit (as displayed on 
indoor unit other than 
priority indoor unit)

More than one indoor unit has been set up as 
priority indoor unit.

M

I

S

)

8

0

L

(

–

8

0

L

Indoor group address not 
set

Address setting has not been performed for one or 
more indoor units (also detected at indoor end).

t

e

s

 

t

o

n

 

y

t

i

c

a

p

a

c

 

r

o

o

d

t

u

O

M

I

S

0

1

L

–

0

1

L

Outdoor unit capacity has not been set (after P.C. 
board replacement).

M

I

S

7

1

L

–

7

1

L

Outdoor model 
incompatibility error

Old model outdoor unit (prior to 3 series) has been 
connected.

M

I

S

8

1

L

–

8

1

L

Cooling/heating selection 
unit error

Cooling/heating cycle error resulting from piping 
error is detected.

M

I

S

8

2

L

–

8

2

L

Too many outdoor units 
connected

More than four outdoor units have been 
connected.

Check code

Display of receiving unit

Typical fault site

Description of error

Outdoor 7-segment display

TCC-LINK 

central control 

or main remote 

controller 

display

Indicator light block

Sub-code

Flash

Operation Timer Ready

Summary of Contents for MMY-MAP0804HT7JP

Page 1: ...A06 016 Air to Air Heat Exchanger with DX Coil Unit Type MMD VN HEXE A10 022 2 High wall Type MMK AP 3H Made in Thailand model SVM 09 059 Console Type MML AP NH E Made in Thailand model SVM 11 036 Other indoor units MM AP H A10 033 MMY MAP0804HT7 J P MMY MAP1004HT7 J P MMY MAP1204HT7 J P MMY MAP1404HT7 J P MMY MAP1604HT7 J P MMY MAP0804T8 J P MMY MAP1004T8 J P MMY MAP1204T8 J P MMY MAP1404T8 J P M...

Page 2: ...l MMY MAP 4 T8 P 47 2 2 Outdoor Unit 60Hz model MMY MAP 4HT7 P 48 2 3 Outdoor Inverter 50Hz model MMY MAP 4 T8 P 49 2 4 Outdoor Inverter 60Hz model MMY MAP 4HT7 P 50 2 5 Parts Layout in Outdoor Unit 51 2 6 Parts Layout in Inverter Assembly 53 2 7 Outdoor Inverter Print Circuit Board 55 2 7 1 Interface P C board MCC 1606 55 2 7 2 Inverter P C board for compressor MCC 1596 A3 IPDU 56 2 7 3 Inverter ...

Page 3: ...ration Output 114 6 8 9 Operating Rate Output 115 7 TEST OPERATION 116 7 1 Procedure and Summary of Test Operation 116 7 2 Check Items before Test Operation before powering on 117 7 3 Check at Main Power on 121 7 4 Address Setup 122 7 4 1 Precautions 122 7 4 2 Address Setup and Check Procedure 122 7 4 3 Address Setup Procedure 123 7 4 4 Check after Address Setup when Central Control System Is Conn...

Page 4: ...ch check code 192 8 6 7 Segment Display Function 223 8 7 Oil Level Judgment Display 229 8 8 Leakage Clogging of Refrigerating Cycle Circuit 230 8 9 Sensor Characteristics 234 8 10 Pressure Sensor Output Check 237 9 BACKUP OPERATION EMERGENCY OPERATION 239 9 1 Note for Backup Operation 239 9 2 Compressor Backup Operation Setting 240 9 3 Outdoor Unit Backup Operation Setting 241 9 3 1 Follower outdo...

Page 5: ...281 13 2 1 List of service P C boards 281 13 2 2 Configuration of inverter assembly 281 13 2 3 Interface board MCC 1606 replacement method 282 13 2 4 Comp IPDU P C Board MCC 1596 Replacement Procedure 283 13 2 5 Fan IPDU P C Board MCC 1610 Replacement Procedure 285 13 2 6 Noise Filter P C Board MCC 1608 A B Replacement Procedure 286 14 EXPLODED DIAGRAM PARTS LIST 289 ...

Page 6: ...s who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained a...

Page 7: ...ork has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the repair engineers the third parties and the users due to troubles of the produ...

Page 8: ...cing WARNING WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION CAUTION High temperature parts You might get burned when removing this panel High temperature parts You might get burned when removing this panel CAUTION CAUTION Do not touch the aluminium fins o...

Page 9: ...ess sign on the circuit breaker When cleaning the filter or other parts of the indoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work When you have noticed that some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are heard the air conditioner fails to ...

Page 10: ...When working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below When executing address setting test run or troubleshooting through the checking window on the electric parts box put on insulated gloves to provide protection from electric shock Otherwise you may rec...

Page 11: ... be mixed in the refrigerating cycle Failure to purge the air completely may cause the air conditioner to malfunction Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged a...

Page 12: ...ition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is sucked and causes further abnormal high pressure resulted in burst or injury Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous...

Page 13: ...ns in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you ...

Page 14: ...Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Authorized Representative Nick Ball TCF holder Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type MMY MAP0804HT8P TR MMY MAP1004HT8P TR MMY MAP1204HT8P TR MMY MAP1404HT8P TR MMY MAP1604HT8P TR MMY MAP0804HT8JP TR MMY MAP1004HT8JP TR MMY MAP1204HT8JP TR MMY MAP1404HT8JP...

Page 15: ...604HT8 J P 83 84 329 MMY MAP1604HT7 J P MMY MAP1604HT8 J P E MMY MAP1604HT8 J P TR Specifications MMY MAP0804T8 J P MMY MAP0804T8 J P E MMY MAP0804T8 J P T MMY MAP0804T8 J P ID MMY MAP0804T8 J P SG 77 241 MMY MAP1004T8 J P MMY MAP1004T8 J P E MMY MAP1004T8 J P T MMY MAP1004T8 J P ID MMY MAP1004T8 J P SG 78 241 MMY MAP1204T8 J P MMY MAP1204T8 J P E MMY MAP1204T8 J P T MMY MAP1204T8 J P ID MMY MAP12...

Page 16: ...e able to bear the unit s weight into the rectangular holes for handling and tie the unit from 4 sides Apply padding in positions where the rope comes into contact with the outdoor unit so that no damage is caused to the outer surface of the outdoor unit There are reinforcing plates on the side surfaces so the rope cannot be passed through Front Back GOOD NO GOOD NO GOOD Plaster Rope Plaster Recta...

Page 17: ... outdoor unit No Model type X mm Y mm Z mm Mass kg A MAP080 500 390 645 MAP100 MAP120 B MAP140 605 350 700 329 MAP160 Z X Z X Y Y A B Anchor bolt position 700 Anchor bolt position 920 Anchor bolt position 755 Anchor bolt position 755 H P 242 C O 241 ...

Page 18: ... 9 8 0 10 or less 0 70 15 88 15 88 0 03 16 00 9 8 0 13 or less 0 80 19 05 19 05 0 03 19 19 11 10 0 15 or less 0 80 22 22 22 22 0 03 22 36 11 10 0 16 or less 0 82 28 58 28 58 0 04 28 75 13 12 0 20 or less 1 00 34 92 34 90 0 04 35 11 14 13 0 25 or less 1 20 38 10 38 10 0 05 38 31 15 14 0 27 or less 1 26 41 28 41 28 0 05 41 50 15 14 0 28 or less 1 35 Screw size Tightening torque N m 0 3 o t 5 2 6 M l...

Page 19: ...s as the result of calculation use the air conditioner without additional refrigerant Table 1 Heat pump type Outdoor unit type MAP080 MAP100 MAP120 MAP140 MAP160 Charging amount kg 11 5 Cooling only type Outdoor unit type MAP080 MAP100 MAP120 MAP140 MAP160 Charging amount kg 10 5 10 5 10 5 11 5 11 5 Additional refrigerant charge amount at local site Real length of liquid pipe Additional refrigeran...

Page 20: ...HP HP Combined outdoor units HP C Corrective amount of refrigerant kg Standard type 8 8HP 1 5 10 10HP 2 5 12 12HP 3 5 14 14HP 8 5 16 16HP 10 5 18 10HP 8HP 0 0 20 10HP 10HP 3 0 22 12HP 10HP 5 0 24 12HP 12HP 7 5 26 16HP 10HP 8 5 28 16HP 12HP 9 5 30 16HP 14HP 11 5 32 16HP 16HP 12 5 34 12HP 12HP 10HP 3 0 36 12HP 12HP 12HP 4 0 38 16HP 12HP 10HP 6 0 40 16HP 12HP 12HP 7 0 42 16HP 14HP 12HP 8 0 44 16HP 16...

Page 21: ...because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrig...

Page 22: ...ector Checking gas leak Exclusive to R410A Vacuum pump Vacuum drying Usable if a counter flow preventive adapter is attached e l c i t r a g n i t s i x E 2 2 R g n i y r d m u u c a V w o l f r e t n u o c h t i w p m u p m u u c a V e z i s g n i t s u j d a y b e l b a s U s e p i p f o g n i s s e c o r p e r a l F l o o t e r a l F e l c i t r a g n i t s i x E 2 2 R s e p i p f o g n i s s e...

Page 23: ... 22 1 Wiring Diagrams 1 1 Outdoor Unit Models MMY MAP0804 MAP1004 and MAP1204 ...

Page 24: ... 23 Models MMY MAP1404 and MAP1604 ...

Page 25: ...1 2 Indoor Unit Models MMU AP0094HP AP0124HP AP0154HP AP0184HP AP0244HP AP0274HP AP0304HP AP0364HP AP0484HP and AP0564HP 24 1 2 1 4 way Cassette Type ...

Page 26: ...circuit CN333 WHI Flow selector unit earth screw n o i t p O e v i r d n a F Adapter for wireless remote controller Wireed remote controller CN44 BRW CN50 WHI CN66 WHI CN32 WHI CN61 YEL Control P C board for Indoor unit MCC 1402 CN60 WHI CN81 BLK CN33 WHI CN20 BLU CN70 WHI CN73 RED CN80 GRN CN41 BLU CN40 BLU CN309 YEL CN101 BLK CN102 RED CN104 YEL CN34 RED CN100 BRW TC1 FS TA TCJ TC2 CN82 BLU LM1 ...

Page 27: ...BLU RED WHI BLK BLK U 1 U 2 U 1 Power supply circuit Network adaptor P C board Symbol FM RC TR LM TA TC1 TCJ RY001 RY002 RY004 RY005 007 FS DM PMV Parts name Fan motor Running capacitor Power transformer Louver motor Indoor temp sensor Temp sensor Flap motor control relay Drain pump control relay Heater control relay Fan motor control relay Float switch Drain pump motor Pulse Motor Valve LM GRN CN...

Page 28: ...0V 50Hz 220V 60Hz Indoor unit earth screw Closed end connector Flow selector unit earth screw 5 4 1 5 5 5 4 3 3 3 2 1 1 1 CN333 WHI Fuse T3 15A 250V CN82 BLU CN112 WHI CN111 WHI CN110 WHI CN71 CHK High ceiling setup LM CN33 WHI CN334 WHI FM 1 2 3 4 5 6 1 1 1 2 1 2 1 2 1 2 1 2 1 2 2 2 3 3 3 4 4 4 5 3 CN34 RED FS 1 2 3 1 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 5 5 6 6 6 PMV Motor drive circuit Fuse T6 3...

Page 29: ... 28 1 2 5 2 way Cassette Type 2 series Models MMU AP0072WH AP0092WH AP0122WH AP0152WH AP0182WH AP0242WH AP0272WH AP0302WH AP0482WH ...

Page 30: ...0V DC15V DC12V DC7V P301 BLK RED WHI WHI WHI RED Wired remote controller 1 2 B A S N R L U 2 1 2 CN1 WHI CN001 WHI Indoor unit power supply Single phase 220 240V 50Hz 220V 60Hz Indoor unit Earth screw WHI Outdoor unit BLK WHI BLK BLK BLU BLU BLK BLK TR WHI U 1 U 2 U 1 DM Power supply circuit Motor drive circuit CN01 WHI CN02 BLU CN03 RED Network adaptor Option 1 2 1 2 1 2 1 2 X Y 3 3 2 2 1 1 Netwo...

Page 31: ... 30 1 2 7 Concealed Duct Standard Type 6 series Models MMD AP0076BH AP0096BH AP0126BH AP0156BH AP0186BH AP0246BH AP0276BH AP0306BH AP0366BH AP0486BH AP0566BH ...

Page 32: ... TA CN104 YEL FS CN030 RED 1 2 1 2 RY001 TR OC EMG RC Fuse T5 0A T10A 250V 1 2 3 1 2 3 CN309 YEL 1 2 3 1 2 3 RED WHI H M L UL 1 indicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board 4 When attaching a drain pump exchange CN030 connector with a connector of the float switch 5 A part i...

Page 33: ...1 3 1 3 1 3 1 6 8 7 2 1 1 1 2 2 1 2 1 1 2 2 1 1 2 X Y 2 3 2 1 1 3 1 1 2 3 3 1 2 3 4 5 1 2 3 4 5 6 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 CN066 WHI CN067 BLK AC IN RED WHI CN044 BRW EMG Remote Controller Power supply single phase 220 240V 50Hz 220V 60Hz Indoor unit earth screw Closed end connector Closed end connector Line Filter WHI RED RED WHI RED WHI WHI CN01 WHI CN03 RED CN02 BLU CN040 BLU CN0...

Page 34: ...2 1 TC1 1 2 3 4 5 CN81 BLK 1 2 3 4 5 CN50 WHI CN309 YEL 1 2 3 4 5 CN60 WHI CN32 WHI Option 1 2 Fan drive 1 2 3 4 5 6 CN61 YEL CN41 BLU CN40 BLU CN44 BRW 1 2 3 4 5 6 1 1 2 2 1 1 2 3 3 BLU BLU BLK BLK 3 1 3 1 3 1 3 1 3 1 3 1 2 1 CN66 WHI WHI RED P301 CN67 BLK Motor drive circuit CN304 GRY RY302 CN68 BLU CN68 BLU Fuse T6 3A 250V Drain pump type SPH Type Non Drain pump type SH Type BLK RED WHI 2 1 Fus...

Page 35: ... 34 1 2 10 Slim Duct Type AP024 AP027 Models MMD AP0244SPH MMD AP0274SPH ...

Page 36: ... 3A 250V Fuse T3 15A DC15V DC12V DC7V P301 BLK RED WHI Closed end terminal RED WHI Wired remote controller Outdoor unit 1 2 B A U 2 U 1 U 2 U 1 1 2 CN1 WHI CN001 WHI Indoor unit Earth screw WHI BLK BLK WHI BLK TR BLU WHI BLU BLK BLK DM FM Power supply circuit Motor drive circuit CN01 WHI CN02 BLU CN03 RED Network adaptor Option 1 2 1 2 1 2 1 2 X Y 3 3 2 2 1 1 Network adaptor P C board Color identi...

Page 37: ...04 WHI CN1 WHI BLK DC 15V DC 0V DC 12V DC 7V BLK HBS BLK CN22 F S CN82 BLU WHI 1 3 1 3 10 9 8 7 6 5 4 3 2 1 10 9 8 7 4 3 2 1 2 3 4 5 6 7 10 11 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 6 1 2 3 4 5 6 2 3 4 5 6 1 2 3 4 5 6 1 3 4 5 6 1 3 4 5 6 7 8 9 9 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 2 1 6 5 4 3 2 1 3 2 1 4 3 2 1 6 5 4 3 2 1 5 4 3 2 1 2 1 5 4 3 2 1 WHI WHI RED BRW YEL WHI BRW YEL GRY PNK GRY ORN RED BLU Infrare...

Page 38: ... 37 1 2 13 High Wall Type 3 series Models MMK AP0073H AP0093H AP0123H AP0153H AP0183H AP0243H ...

Page 39: ...D TCJ 2 1 2 1 CN101 BLK CN100 BRN 1 3 CN080 GRN TC2 PNL EXCT 2 1 CN073 RED 2 2 1 3 2 4 5 1 FILTER CN070 WHI CN081 BLK 2 1 2 1 2 1 1 1 2 2 1 1 2 2 1 1 2 X Y 2 3 2 1 1 3 1 1 2 3 3 1 2 3 4 5 1 2 3 4 5 6 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 2 1 TC1 2 1 2 1 CN066 WHI CN067 BLK AC IN RED WHI CN040 BLU Outdoor unit Remote Controller Power supply single p...

Page 40: ...Hz 220V 60Hz Indoor unit earth screw Closed end connector CN01 WHI CN03 RED CN02 BLU CN03 RED CN041 BLU CN050 WHI CN061 YEL CN032 WHI FAN DRIVE OPTION CN060 WHI EMG TR RED RED WHI WHI U1 U2 U1 U2 A B X Y Network adapter Option Control P C board for undoor unit MCC 1403 MCC 1401 For AP0071BH AP0091BH AP0121BH 1 1 2 2 CN1 1 1 3 3 CN074 WHI CN075 WHI Power supply circuit TR 1 1 3 3 CN068 BLU FAN CN08...

Page 41: ...D TCJ 2 1 2 1 CN101 BLK CN100 BRW 1 3 CN080 GRN TC2 PNL EXCT 2 1 CN073 RED 2 2 1 FILTER CN070 WHI CN081 BLK 2 1 2 1 2 1 1 1 2 2 1 1 2 2 1 1 2 2 1 1 2 X Y 2 3 2 1 1 3 1 1 2 3 3 1 2 3 4 5 1 2 3 4 5 6 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 2 1 4 3 5 2 1 TC1 CN066 WHI AC IN CN044 BRW CN040 BLU Outdoor unit Remote Controller Power supply single phase 220 240V 50Hz 220V 60Hz Indoor unit earth screw Clo...

Page 42: ... RY708 RY709 RY710 Indoor control circuit board MCC1615 Power supply DC 20 V DC 15 V DC 12 V DC 7 V SW701 CN760 White DAM Blue Yellow White Red Purple TB3 External output 220 V under 1 A each Operation output Common External damper output Abnormal Bypass mode output CN704 CN705 CN706 CN61 Yellow CN81 Black CN82 Blue Common Remote controller operation Fan speed Operation 5 External input Option No ...

Page 43: ... a n s t r a P e d o C e m a n s t r a P e d o C e m a n s t r a P e d o C e v l a v c i t e n g a m n o i s s e r p m o c e D 1 V M D r o s n e s A F T A F T r o t c e n n o C N C F01 Fuse printed circuit board TCJ TC1 TC2 e v l a v g n i t a l u d o m e s l u P V M P r o s n e s l i o c r o o d n I h c t i w s p i D 1 0 7 W S e c r u o s r e w o p k c o l b l a n i m r e T 1 B T r o t o m e s u ...

Page 44: ...e Red RY708 RY709 RY710 Indoor control circuit board MCC1615 Power supply DC 20 V DC 15 V DC 12 V DC 7 V SW701 CN760 White DAM Blue Yellow White Red Purple TB3 External output 220 240 V under 1 A each Operation output Common External damper output Abnormal Bypass mode output CN704 CN705 CN706 CN61 Yellow CN81 Black CN82 Blue Common Remote controller operation Fan speed Operation 5 External input O...

Page 45: ... o s n e s A R T A R T e v l a v g n i t a l u d o m e s l u P V M P r o s n e s A O T A O T 1 The dotted line represents a wire procured locally and the dashed line represents an option sold separately 2 represents a terminal block represents a connection terminal represents a connector on the printed circuit board and represents a short circuit connector 3 represents a protective earth 4 represe...

Page 46: ... RED GRY WHI RED GRY WHI RED GRY RED T10A 250V CN044 BRW Power supply circuit Sub P C board MCC 1520 CN02 YEL CN01 WHI TR1 Control P C Board for Indoor Unit MCC 1403 B A BLK Parts name Fan Motor Running Capacitor Transformer Intake air temp sensor Blow temp sensor Temp sensor Fan motor control relay Drain control relay Pulse Motor Valve Fuse for fan motor Fan motor control relay Drin Pump motor Fl...

Page 47: ...20 CN02 YEL CN01 WHI TR1 Control P C Board for Indoor Unit MCC 1403 B A BLK Parts name Fan Motor Running Capacitor Transformer Intake air temp sensor Blow temp sensor Temp sensor Fan motor control relay Drain control relay Pulse Motor Valve Fuse for fan motor Fan motor control relay Drin Pump motor Float Swotch Symbol FM1 FM2 RC1 RC2 TR1 TA TF TC1 TC2 TCJ RY005 007 RY002 PMV F1 F2 43F1 43F2 DP FS ...

Page 48: ...H l i o c e v l a v r o t o m e s l u P 3 4 2 way valve coil VPV AC220 240V 50Hz SV3B O O O AC220 240V 50Hz SV3B SV3E SV3F O O 5 2 way valve coil FQ G593 AC220 240V 50Hz SV2 SV3A SV3C SV3D SV3E SV41 SV42 SV5 O O O AC220 240V 50Hz SV2 SV3A SV3C SV3D SV6 SV41 SV42 SV43 O O O O O O O a P M 9 2 N O a P M 3 7 3 F F O W 2 3 B U 4 B C A W S e r u s s e r p h g i H 6 O O O O O a P M 3 7 3 0 V 3 4 5 0 AAG ...

Page 49: ... c e v l a v r o t o m e s l u P 3 4 2 way valve coil VPV AC208 230V 60Hz SV3B O O O AC208 230V 60Hz SV3B SV3E SV3F O O 5 2 way valve coil FQ D640 AC208 230V 60Hz SV2 SV3A SV3C SV3D SV3E SV41 SV42 SV5 O O O AC208 230V 60Hz SV2 SV3A SV3C SV3D SV6 SV41 SV42 SV43 O O O O O O O a P M 9 2 N O a P M 3 7 3 F F O W 2 3 B U 4 B C A W S e r u s s e r p h g i H 6 O O O O O a P M 3 7 3 0 V 3 4 5 0 AAG M35FLTC...

Page 50: ... P 9 10 Fuse MCC 1596 GAC1 31 5A 31 5A AC500V P C Board O O O O O 11 Comp motor drive IPM MCC 1596 MCC 1596 PS22A76 25A DC1200V P C Board O O O O O O O O O O 0 1 6 1 C C M n a f r o f U D P I d r a o B C P 2 1 O O O O O V 0 5 2 C A A 5 1 A 5 1 V 0 5 2 T D G 0 1 6 1 C C M e s u F 3 1 O O O O O V 0 0 6 C D A 0 2 C 0 6 H C 0 2 B B S F 0 1 6 1 C C M M P I e v i r d r o t o m n a F 4 1 O O O O O V 0 4 ...

Page 51: ... P 9 10 Fuse MCC 1596 GAC1 31 5A 31 5A AC500V P C Board O O O O O 11 Comp motor drive IPM MCC 1596 MCC 1596 PS22A76 25A DC1200V P C Board O O O O O O O O O O 0 1 6 1 C C M n a f r o f U D P I d r a o B C P 2 1 O O O O O V 0 5 2 C A A 5 1 A 5 1 V 0 5 2 T D G 0 1 6 1 C C M e s u F 3 1 O O O O O V 0 0 6 C D A 0 2 C 0 6 H C 0 2 B B S F 0 1 6 1 C C M M P I e v i r d r o t o m n a F 4 1 O O O O O V 0 2 ...

Page 52: ... 51 2 5 Parts Layout in Outdoor Unit 8 10 12HP Model MMY MAP0804 MAP1004 MAP1204 ...

Page 53: ... 52 14 16HP Model MMY MAP1404 MAP1604 ...

Page 54: ... fan Fan IPDU MCC 1610 Inverter P C Board for Compressor 1 A3 IPDU MCC 1596 Inverter P C Board for Compressor 2 A3 IPDU MCC 1596 Interface P C board Outdoor control P C board MCC 1606 Power supply terminal block Noise Filter P C board MCC 1608 Communication terminal block Relay connector for central control Magnet switch ...

Page 55: ...oard Outdoor control P C board MCC 1606 Power supply terminal block Noise Filter P C board MCC 1608 Communication terminal block Relay connector for central control Magnet switch Inverter P C board for Compressor 1 MCC 1596 Inverter P C board for Compressor 2 MCC 1596 Inverter P C board for Compressor 3 MCC 1596 ...

Page 56: ...nits For inter unit cable between outdoor units PMV2 output PMV1 output Option input output Sensor input 7 segment LED PD sensor PS sensor Dina doctor connecting terminal 4 way valve output Accumulator heater Comp case heater 3 Comp case heater 2 Comp case heater 1 SV51 52 SV2 CN511 CN508 CN510 CN513 TD3 TD2 TD1 CN504 CN503 CN502 TK3 TK2 TK1 TL CN533 CN532 CN531 TO TK5 TK4 CN507 CN535 CN534 TE2 TE...

Page 57: ... 56 2 7 2 Inverter P C board for compressor MCC 1596 A3 IPDU ...

Page 58: ...703 CN705 CN704 CN703 CN504 CN505 Power supply input CN500 CN510 CN511 CN502 CN511 CN510 Fan motor output U phase Fan motor output V phase Fan motor output W phase UART communication between interfaces UART communication between A3 IPDU Reactor connecting terminal Reactor connecting terminal ...

Page 59: ...r TO SV SV SV SV SV SV SV SV SV SV Heat exchanger Left side Fan motor FP Heat exchanger Fusible plug Check valve Check valve Check valve Check valve Check valve Check valve 2 4 V S 1 4 V S High pressure switch High pressure switch Compressor 1 Inverter Compressor 2 Inverter Liquid side packed valve Gas side service valve Balance pipe packed valve Symbol Solenoid valve Capillary tube Check valve Ch...

Page 60: ...eat exchanger at right side Fan motor FP SV Symbol Solenoid valve Capillary tube Check valve Check joint Strainer Temperature sensor Distributor Right side Left side Check valve Check valve 4 way valve High pressure sensor Fusible plug Liquid tank Oil separator High pressure switch High pressure switch High pressure switch Accumulator Oil header Compressor 1 Inverter Compressor 2 Inverter Compress...

Page 61: ...ector CN303 Red 1 Exchange function between main and sub exchangers in cooling operation 2 Preventive function for high pressure rising in heating operation Oil separator 1 Prevention for rapid decreasing of oil Decreases oil flowing to the cycle 2 Reserve function of surplus oil Temp Sensor TD1 TD2 TD3 TD1 Connector CN502 White TD2 Connector CN503 Pink TD3 Connector CN504 Blue 1 Protection of com...

Page 62: ...ecovers refrigerant oil in heating operation Temp Sensor 1 TA Connector CN104 2P Yellow 1 Detects indoor suction temperature 2 TC1 Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation 3 TC2 Connector CN101 2P Black 1 Controls PMV under cool in heating operation 4 TCJ Connector CN102 2P Red 1 Controls PMV super heat in cooling operation 2 MMU AP007YH to AP012YH only Controls PMV ...

Page 63: ...V TL PMV1 TD2 TS1 SV2 SV5 TE1 FM SV3D PMV2 TK2 SV3B TK1 SV3A HPS HPS TD1 TK4 SV3 TK5 SV41 SV42 A3 SV3C TO SV SV SV SV SV SV SV SV SV TC2 TCJ TC1 TC2 TCJ TC1 TC2 TCJ TC1 TC2 TCJ TC1 Balance pipe Liquid pipe Liquid pipe Gas pipe Gas pipe PMV PMV PMV PMV Indoor unit Pressure sensor high pressure Liquid tank Liquid tank Pressure sensor low pressure Pressure sensor high pressure Pressure sensor low pre...

Page 64: ...iquid tank Balance pipe Liquid pipe Gas pipe Liquid pipe Gas pipe 4 Way valve Pressure sensor low pressure Pressure sensor high pressure O S Liquid tank Accumulator Compressor 1 Compressor 2 Indoor unit High pressure gas or condensate liquid refrigerant Evaporative gas refrigerant low pressure gas Normal refrigerant line Note The header unit is the outdoor unit to which the indoor outdoor communic...

Page 65: ...d a e H FM 4 Way valve Pressure sensor high pressure O S Pressure sensor low pressure Accumulator Compressor 1 Compressor 2 Compressor 3 Liquid tank Balance pipe Liquid pipe Gas pipe Liquid pipe Gas pipe Indoor unit O S Liquid tank Accumulator Compressor 1 Compressor 2 Pressure sensor low pressure Pressure sensor high pressure 4 Way valve FM High pressure gas or condensate liquid refrigerant Evapo...

Page 66: ... valve Full closure Set Up as Temporary Header Unit during Emergency Operation Gas side service valve Full closure Balance pipe packed valve Full opening FM 4 Way valve Pressure sensor high pressure 4 Way valve Pressure sensor high pressure O S O S Pressure sensor low pressure Pressure sensor low pressure Accumulator Accumulator Compressor 1 Compressor 2 Compressor 3 Compressor 1 Compressor 2 Comp...

Page 67: ...high pressure O S Pressure sensor low pressure Accumulator Liquid tank Compressor 1 Compressor 2 Compressor 3 Gas side service valve Full closure Balance pipe packed valve Full opening Balance pipe Liquid pipe Gas pipe Liquid pipe Gas pipe Indoor unit FM 4 Way valve Pressure sensor high pressure O S Pressure sensor low pressure Accumulator Liquid tank Compressor 1 Compressor 2 Compressor 3 Refrige...

Page 68: ...Gas pipe Liquid pipe Gas pipe Indoor unit FM 4 Way valve Liquid line bypass Pressure sensor high pressure Pressure sensor low pressure O S Accumulator Compressor 1 Compressor 2 Liquid tank Balance pipe packed valve Full opening Gas side service valve Full opening Full closure 10 minutes after system startup Liquid side service valve Full closure Refrigerant recovery line High pressure gas or conde...

Page 69: ...in response to an operation selection command issued via the remote controller Ts Temperature setting Ta Room temperature 3 Room temp control 1 Adjustment range remote controller temperature setting C 2 In heating operation the temperature setting may be fine tuned via the DN code 06 Factory default Shift in heating suction temperature not applicable to remote controller thermo operation 4 Automat...

Page 70: ...gures inside applies to remote controller thermo operation Figures outside applies to body thermo operation Speed modes shown in apply to heating operation under AUTO air conditioner operation mode DN code 32 0000 Body thermo 0001 Remote controller thermo In AUTO fan speed mode the fan speed remains the same for 1 minute each time a speed change occurs However a speed change command issued via the...

Page 71: ...til it moves into zone I The control is terminated under the following conditions Termination conditions 1 TC1 12 C TC2 12 C and TCJ 12 C 2 Passage of 20 minutes after stoppage 2 During cooling the air conditioner is operated in the manner described below according to the temperature readings of the TC2 and TCJ sensors If zone M operation is detected for 45 minutes the air conditioner is forced in...

Page 72: ... 10 Defrosting control While the outdoor unit is engaged in defrosting control the indoor units perform the following control tasks 1 Open the indoor PMV to a certain degree 2 Control the indoor fan according to the operation mode Indoor units operating in heating thermo ON OFF state Let the indoor fan continue operating for a while but turn it off as the temperature of the indoor heat exchanger d...

Page 73: ... COOL DRY mode under priority cooling setting bit 1 of SW11 on outdoor I F P C board ON 3 All indoor units not able to engage in any of the above operations stand by in thermo OFF state 4 The indoor fan has been turned off because the system is engaged in a heat refrigerant oil recovery operation OPERATION STANDBY displayed No display provided on wireless remote controller Heating standby Displaye...

Page 74: ...ly or collectively 3 Set louver positions 18 DC motor 1 When the fan is turned on the positions of the stator and rotor are determined The motor turns in incremental steps 2 The fan operates in accordance with commands issued by the indoor controller Note If the fan is rotating while the air conditioner is turned off due to an inflow of outside air or some other reason the indoor unit may operate ...

Page 75: ... thermo OFF state or upon being turned off normally or shut down due to an abnormality 2 PMV4 control applicable only to 14 and 16 HP outdoor units MMY MAP1404 and MAP1604 1 When using a small capacity split type heat exchanger mainly a sub heat exchanger to a combination of a sub heat exchanger and main heat exchanger during cooling the pulse count of the PMV pulse motor valve is controlled betwe...

Page 76: ...er unit at rest The fan is operated at mode 1 to prevent the accumulation of refrigerant inside the outdoor heat exchanger 3 Capacity control 1 The compressors of the header and follower units are controlled on the basis of capacity demand issued by indoor controllers 2 The two or three compressors featured in an outdoor unit operate on a rotational basis so that every time they come to a stop the...

Page 77: ...henever at least one compressor is in operation Oil level detection takes place regardless of the number of compressors whether it be one two or three Rough guide for oil level judgment 1 If TK1 TK4 14 C oil level of compressor 1 is optimum 2 If TK2 TK4 14 C oil level of compressor 2 is optimum 3 If TK3 TK4 14 C oil level of compressor 3 is optimum Item Description of operation numerical data and ...

Page 78: ...naged by the header outdoor unit 1 Control commencement conditions When cooling operation has continued for at least 2 hours When cooling operation has started compressors have just been turned on though this does not always happen depending on outside air temperature conditions 2 Control details All compressors currently in operation are operated at the minimum speed with those currently not in o...

Page 79: ...he target rotational speed for defrosting control To protect the refrigerating cycle circuit the fan mode may be controlled during defrosting 3 Defrosting termination conditions Defrosting termination conditions are met when the TE1 temperature sensor measurement reaches a specified value roughly 12 C a certain period of time after the commencement of defrosting control In that event defrosting te...

Page 80: ...n at low speeds of up to 36 rps 2 Control details When Pd pressure becomes 3 4 MPa SV2 is opened When Pd pressure becomes 2 8 MPa SV2 is closed 3 Termination conditions Shutdown thermo OFF defrosting operation or cooling operation The number of header unit compressors in operation increases to two or more At least one follower unit compressor is turned on The speed of the compressor rises to 40 rp...

Page 81: ... details Compressors are shut down when Pd pressure reaches or exceeds P0 The compressor restart prevention timer 2 minutes 30 seconds is set and the control terminated When Pd P0 3 45 MPa compressor No 2 or No 3 the last one of three compressors in terms of startup order in a three compressor configuration is shut down When Pd P0 3 5 MPa compressor No 1 the first compressor in terms of startup or...

Page 82: ...r unit fan abnormality blockage of the cooling duct and IPDU P C board fault The TH temperature used in this control function is the highest registered by A3 IPDU1 A3 IPDU2 and A3 IPDU3 3 Overcurrent protection control 1 When the overcurrent protection circuit on an IPDU P C board detects an abnormal current the compressor is shut down 2 The compressor is restarted 2 minutes and 30 seconds later w...

Page 83: ...When transporting relocating the set do not under any circumstances keep the actuator separated It may damage the valve by causing it to close and exposing it to pressure from sealed liquid 4 When reattaching the actuator after its removal push it in firmly until a click sound is heard Then turn the power off and back on again Schematic diagram for oil equation control 4 0 2 1 P A M Y M M t i n u ...

Page 84: ...troller communication circuit AI NET communication circuit Louver motor Drain pump Indoor fan motor Fan motor control circuit In operation Alarm Getting ready Thermostat ON COOL HEAT FAN Driver TA sensor TCI sensor TC2 sensor TCJ sensor Float input AC synchronization signal input circuit BUS communication circuit Outdoor unit Outdoor unit Outdoor unit Power source 1Ø 220 240V 50Hz 1Ø 220V 60Hz Pow...

Page 85: ...ncealed duct standard type Slim Duct Type Power supply circuit Fan motor control circuit CPU TMP88CH 47FG TMP88PH 47FG External output In operation Alarm Getting ready Thermostat ON COOL HEAT FAN AC synchronization signal input circuit BUS communication circuit TA sensor TCI sensor TC2 sensor TCJ sensor Float input Driver Remote controller communication circuit CPU H8 3039 Indoor outdoor communica...

Page 86: ...y Type only Not applicable to concealed duct high static pressure type Not applicable to 1 way air discharge cassette type compact Driver Remote controller communication circuit CPU H8 3039 TA sensor TCI sensor TC2 sensor TCJ sensor Float input In operation Alarm Getting ready Thermostat ON COOL HEAT FAN AC synchronization signal input circuit BUS communication circuit External output Indoor outdo...

Page 87: ... ready Thermostat ON COOL HEAT FAN AC synchronization signal input circuit BUS communication circuit External output Indoor outdoor communication Outdoor unit Power source 1Ø 220 240V 50Hz 1Ø 220V 60Hz Outdoor unit Outdoor unit Power source Power source Sameas left 2 Sameas left 2 2 3 Up to 8 units can be connected 1 1 Only up to 7 units if a 1 1 model connection interface is installed with 2 wire...

Page 88: ...TC2 sensor TCJ sensor Float input Not applicable to concealed duct high static pressure type In operation Alarm Getting ready Thermostat ON COOL HEAT FAN AC synchronization signal input circuit BUS communication circuit External output Indoor outdoor communication Outdoor unit Power source 1Ø 220 240V 50Hz 1Ø 220V 60Hz Outdoor unit Outdoor unit Power source Power source Sameas left 2 Sameas left 2...

Page 89: ...eless remote controller kit Remote controller communication circuit Sensor section Display section PMV Louver motor Drain pump Indoor fan motor Not applicable to concealed duct high static pressure type Power supply circuit Driver Remote controller communication circuit CPU H8 3039 TA sensor TCI sensor TC2 sensor TCJ sensor Float input Not applicable to concealed duct high static pressure type In ...

Page 90: ...or Float input Driver Remote controller communication circuit Not applicable to concealed duct high static pressure type In operation Alarm Getting ready Thermostat ON COOL HEAT FAN AC synchronization signal input circuit BUS communication circuit External output Indoor outdoor communication Outdoor unit Power source 1Ø 220 240V 50Hz 1Ø 220V 60Hz Outdoor unit Outdoor unit Power source Power source...

Page 91: ...ensor TC2 sensor TCJ sensor Float input Driver Remote controller communication circuit Not applicable to concealed duct high static pressure type In operation Alarm Getting ready Thermostat ON COOL HEAT FAN AC synchronization signal input circuit BUS communication circuit External output CPU H8 3039 Power supply circuit Fan motor control circuit CPU TMP88CH 47FG TMP88PH 47FG PMV Louver motor Drain...

Page 92: ...ication circuit Transformer CPU H8 3687 Indoor control P C board MCC 1403 PMV Louver motor Drain pump Indoor fan motor Not applicable to concealed duct high static pressure type Power supply circuit Driver Remote controller communication circuit TA sensor TCI sensor TC2 sensor TCJ sensor Float input Not applicable to concealed duct high static pressure type CPU H8 3039 In operation Alarm Getting r...

Page 93: ...unication CN40 blue DC fan return CN334 white HA T10 CN61 yellow DC12V Remote controller CN41 blue DC20V Remote controller communication LED D504 green High ceiling adjustment SW SW501 TC1 sensor CN100 brown DC5V Float SW CN34 red DC12V FILTER CN70 white DC5V Drain pump CN504 white DC12V Indoor outdoor cum central control communication D503 yellow Remote controller power source LED D403 red EXCT C...

Page 94: ...10 CHK DISP Used for servicing Used for servicing EXCT TCJ sensor TCI sensor TC2 sensor External error input Remote controller jumper Indoor outdoor communication doubling as central control communication Indoor outdoor communication backup Drain pump output Optional power supply Power supply EEPROM High ceiling adjustment input Filter optional error input Microcomputer operation LED TA sensor Fla...

Page 95: ...r Power supply Power supply transformer secondary side AC 11 14 20V EEPROM Indoor outdoor communication TCI sensor PMV output Used for servicing Short plug inserted in concealed duct External error input Filter optional error input Power supply transformer primary side Indoor outdoor communication backup Remote controller power source LED Remote controller jumper doubling as central control commun...

Page 96: ...e ON while air conditioner in heating operation HEAT or heating under AUTO mode ON while indoor fan ON air cleaner in use or via interlock wiring s k r a m e R n o i t a c i f i c e p S Generates test code L30 and automatically shuts down air conditioner only if condition persists for 1 minute Factory default setting to be humidifier evaporative drain pump OFF Used for control of optional error in...

Page 97: ... in addition to short circuit of CHK pin CN71 on the indoor P C board the minimum opening degree 30pls can be set to the indoor PMV only When open DISP pin the maximum opening degree 1500pls can be obtained again How to clear Open CHK pin While the system is operating it stops once but automatically returns to operation after several minutes To exchange the indoor PMV coil set the indoor PMV to Ma...

Page 98: ...sed one of the indoor unit Nos under group control is displayed in turn Then the fan and louver of the selected indoor unit move 3 Use the button to select the CODE No DN code of the desired function 4 Use the button to select the desired SET DATA associated with the selected function 5 Push the button The display changes from flashing to steady To change the selected indoor unit go back to step 2...

Page 99: ... 0001 Swing only According to type 0002 1 way Cassette type Ceiling type 0003 2 way Cassette type 0004 4 way Cassette type 1E Temp difference of AUTO mode selection COOL HEAT HEAT COOL g e d 3 3 0 0 0 g e d 0 1 0 1 0 0 o t g e d 0 0 0 0 0 Ts 1 5 For setup temperature reversal of COOL HEAT by Data value 2 28 Automatic restart of power failure e n o N 0 0 0 0 t r a t s e R 1 0 0 0 e n o N 0 0 0 0 2A...

Page 100: ...vailable can be performed 0001 Unavailable cannot be performed 0000 Available t n e m p i h s t A n o i t p i r c s e D m e t I N D Value Type AP015 AP018 AP024 0000 Standard factory default 3 5 m or less 3 8 m or less 0001 High ceiling 1 4 0 m or less 4 0 m or less 0003 High ceiling 3 4 2 m or less 4 2 m or less Value Type AP007 AP030 AP036 AP056 0000 Standard factory default 2 7 m or less 2 7 m ...

Page 101: ... u D m i l S 5 0 0 0 SPH 0006 Concealed Duct High Static Pressure MMD AP H P A C M M g n i l i e C 7 0 0 0 H P A K M M l l a W h g i H 8 0 0 0 H P A L M M t e n i b a C g n i d n a t S r o o l F 0 1 0 0 H 0011 Floor Standing Concealed MML AP BH P A F M M g n i d n a t S r o o l F 3 1 0 0 H Compact 4 way Cassette MMU AP MH 0016 Fresh Air Intake indoor unit Duct type MMD AP HFE Value Capacity 0000 I...

Page 102: ...l operation 3 Error signal Output present while alarm e g serial communication error or operation of protective device for indoor outdoor unit being activated Wiring diagram of control system using remote control interface TCB IFCB 4E2 Input IFCB 4E2 No voltage ON OFF serial signal Output No voltage contact in operation and error indication Contact capacity Max AC 240V 0 5A 1 2 3 4 5 6 1 2 3 4 CN6...

Page 103: ... displayed successively In this time the fan of the selected indoor unit only turns on 3 Using the setup temp or button specify the CODE No 31 4 Using the timer time or button select the SET DATA At shipment The setup data are as follows 5 Push button OK if display goes on To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure 3 6 Pushing retur...

Page 104: ...ller Status that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system 1 Push concurrently buttons for 4 seconds or more 2 Using the setup temp or button s...

Page 105: ...tic pressure see table2 Table 1 Maximum External Static Pressures of Base Outdoor Units Calculate duct resistance from outdoor unit air flow Table 2 Maximum External Static Pressures for Combined Use of Base Units 1 Standard models 4 0 8 0 P A M Y M M l e d o M MAP1004 MAP1204 MAP1404 MAP1604 Maximum external static pressure Pa 60 60 50 40 40 Outdoor unit air flow m3 h 9900 10500 11600 12000 13000...

Page 106: ... 24 AP2424 MAP1204 MAP1204 50 26 AP2624 MAP1604 MAP1004 40 28 AP2824 MAP1604 MAP1204 40 30 AP3024 MAP1604 MAP1404 40 32 AP3224 MAP1604 MAP1604 40 34 AP3424 MAP1204 MAP1204 MAP1004 50 36 AP3624 MAP1204 MAP1204 MAP1204 50 38 AP3824 MAP1604 MAP1204 MAP1004 40 40 AP4024 MAP1604 MAP1204 MAP1204 40 42 AP4224 MAP1604 MAP1404 MAP1204 40 44 AP4424 MAP1604 MAP1604 MAP1204 40 46 AP4624 MAP1604 MAP1604 MAP140...

Page 107: ...e button to select the CODE No 04 4 Use the button to select the SET DATA 0001 Priority set 0001 No priority set 0000 5 Push the button The setup is finished when the display changes from flashing to steady 6 Upon finishing the setup push the button This finalizes the setting When the button is pushed the display goes blank and the system returns to normal off state Note that the system does not r...

Page 108: ... 1 Power peak cut Control For one input function Header unit CN513 blue SW07 1 J16 2 Power peak cut Control Enhanced Functions Header unit CN513 blue SW07 1 2 3 Snowfall Fan Control Header unit CN509 black 4 External master ON OFF Control Header unit CN512 blue 5 Night operation sound reduction Control Header unit CN508 red 6 Operation Mode Selection Control Header unit CN510 white Operation Mode ...

Page 109: ... outdoor unit has been removed Power peak cut control P C board SW1 SW2 L1 Interface P C board of header outdoor unit N O 1 t i B 7 0 W S F F O 1 t i B 7 0 W S Power peak cut control ON signal received ON OFF ON 0 forced stop 60 capacity upper limit regulated Power peak cut control OFF signal received OFF ON OFF 100 normal operation 100 normal operation PJ17 CN513 SW07 TB1 ON OFF TB2 COM ON COM OF...

Page 110: ...he display relay load insert a surge killer CR for an AC power supply or a diode for preventing back electromotive force for a DC power supply on the bypass circuit The optional P C board should be connected to the header outdoor unit U1 Jumper wire J16 Input SW1 y a l e r r o t a c i d n I 1 t i B 7 0 W S 1 L N O 1 t i B F F O 1 t i B Cut OFF 0 forced stop 60 capacity upper limit regulated OFF ON...

Page 111: ...terminal External signal No voltage pulse contact The optional P C board should be connected to the header outdoor unit U1 Terminal Input signal Operation COOL SW1 Snowfall fan control Turns on outdoor unit fan Normal operation Cancels control Terminal Input signal Operation COOL SW1 Turns on all indoor units HEAT SW2 Turns off all indoor units SW1 Snowfall detection switch snowfall sensor 7 1 J P...

Page 112: ... this capacity reduction Position of noise measuring device 1 m from the front face of the set and 1 5 m above ground anechoic sound Terminal Input signal Operation COOL SW1 Night time control Normal operation Outdoor unit base unit During low noise mode dB A Capacity Relative to maximum capacity Cooling Heating Model 0804 50 approx 85 approx 80 Model 1004 50 approx 70 approx 65 Model 1204 50 appr...

Page 113: ...r units operating in a mode different from the selected operation mode prohibited mode indoor units become non priority units thermostat OFF Prohibited mode indoor units J01 cut The selected operation mode is imposed on all indoor units operating in a different mode SW1 Cooling mode specified input switch SW2 Heating mode specified input switch 7 1 J P 0 1 5 N C TB1 SW1 SW2 COM HEAT COOL Locally p...

Page 114: ...r an AC power supply or a diode for preventing back electromotive force for a DC power supply on the bypass circuit The optional P C board should be connected to the header outdoor unit U1 Electrical Rating 220 240 VAC 10 mA or more 1A or less 24 VAC 10 mA or more 1 A or less non conductive load C1 Connector cable 1 CN511 Connector on Interface side green K1 K2 Relays L1 Error indication Lamp L2 O...

Page 115: ...pass circuit Electrical Rating 220 240 VAC 10 mA or more 1A or less 24 VAC 10 mA or more 1 A or less non conductive load C2 Connection cable 2 CN514 Interface side connector green CTR1 Elapsed operation counter 1 CTR2 Elapsed operation counter 2 CTR3 Elapsed operation counter 3 K1 K2 K3 Relay L1 L2 L3 Operation indication lamp OUTPUT1 Compressor 1 in operation output terminal OUTPUT2 Compressor 2 ...

Page 116: ...romotive force for a DC power supply on the bypass circuit Function SW16 OUTPUT1 OUTPUT2 OUTPUT3 Operation factor FA System operation rate output Bit 1 ON Bit 2 OFF off off off FA 0 on off off 0 FA 20 off on off 20 FA 35 on on off 35 FA 50 off off on 50 FA 65 on off on 65 FA 80 off on on 80 FA 95 on on on 95 FA C2 Connection cable 2 CN514 Interface side connector green MONITOR Monitoring device OU...

Page 117: ...ain power supply is turned on Check basic items mainly the installation work Be sure to enter the check results in checklist 1 and 2 This check is done after the power has been turned on Check that the refrigerant circuit system is turned on normally Set up the addresses Start the address setup in the outdoor indoor units Note Operation does not start simply by powering on Test operation END Carry...

Page 118: ... e t i k c e h c n i a M 1 Are the indoor and outdoor communication lines of the header unit connected to the U1 U2 terminals 2 Is the relay connector between the U1 U2 terminal and the U3 U4 terminal removed Set up at shipment from the factory 3 Is the communication line between outdoor units connected to the U5 U6 terminal 4 Is the terminal resistance SW30 bit 2 on the interface PC board of the ...

Page 119: ... the terminal resistance SW30 bit 2 on the interface PC board of the header unit turned on Set up at shipment from the factory After address setup and test operation check turn on the SW30 bit 2 of the header unit for the smallest line address and turn off SW30 bit 2 of the header unit for other refrigerant lines See 7 4 3 Address Setup Procedure 6 Is the end terminal of the shield wire open 7 Is ...

Page 120: ...minals U3 U4 Is the power of indoor units supplied collectively Is it grounded to earth Is the resistance sufficient 10 M M r e h g i h r o or higher V 0 1 V 5 1 4 0 8 3 n i h t i w t n e i c i f f u s e g a t l o v r e w o p n i a m e h t s I Is the diameter of connecting pipe correct Is the branch kit correct Is the water drain of the indoor unit arranged so that it flows without accumulation Is...

Page 121: ...HP Combined outdoor units HP C Corrective amount of refrigerant kg Standard type 5 1 P H 8 8 5 2 P H 0 1 0 1 5 3 P H 2 1 2 1 5 8 P H 4 1 4 1 5 0 1 P H 6 1 6 1 0 0 P H 8 P H 0 1 8 1 0 3 P H 0 1 P H 0 1 0 2 0 5 P H 0 1 P H 2 1 2 2 5 7 P H 2 1 P H 2 1 4 2 5 8 P H 0 1 P H 6 1 6 2 5 9 P H 2 1 P H 6 1 8 2 5 1 1 P H 4 1 P H 6 1 0 3 5 2 1 P H 6 1 P H 6 1 2 3 0 3 P H 0 1 P H 2 1 P H 2 1 4 3 0 4 P H 2 1 P H...

Page 122: ...remote controller Check that a frame as shown in the following figure at left is displayed on the LC display section of the remote controller If no frame is displayed as shown in the above figure at right the remote controller does not have a normal supply of power check the following items s Check the power supply of the indoor unit s Check the cabling between the indoor unit and the remote contr...

Page 123: ...the address is to be set up 4 Address setup start Confirm the items in 7 4 3 Address Setup Procedure and then set up the address according to the operation procedure Be careful to note that the setup operation may differ in group control and central control systems Note The address cannot be set up if switches are not operated 5 Display check after setup After address setup U1 is displayed on the ...

Page 124: ... setting addresses If you set the unit addresses of each line separately each line s header indoor unit is set separately In that case the CODE No L03 Indoor header unit overlap is indicated as running starts Change the group address to make one unit the header unit using wired remote controller 1 e r u d e c o r p g n i t t e s s s e r d d A o t o g l o r t n o c l a r t n e c o N Central control...

Page 125: ...d switch on switch off Example Controlling 2 or more refrigerant lines as a group System wiring diagram Outdoor Indoor Indoor Indoor Indoor Outdoor Remote controller Group control SW06 SW07 SW09 SW10 SW11 SW12 SW13 SW14 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 SW13 SW14 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 O O O O O O O O O O O O O O O O O O O O O O O O O 2 3 4 1 2 3 4 SW13 SW...

Page 126: ...a t s n o i t a c i d n i e h t r e t f A s i g n i t t e s e h t y a l p s i d e h t n o t i l s n i a m e r d n a s p o t s g n i h s a l f e h t n e h W complete 7 Repeat steps 4 to 6 for other refrigerant lines 8 After completing address setting of all systems turn off dip switch 2 of SW30 on the interface P C boards of all the header outdoor units connected to the same central control except ...

Page 127: ... the installation manuals of the central control devices SW15 SW04 1 2 SW13 SW14 SW01 SW02 SW03 D600 D601 D602 D603 D604 SW05 7 segment display Header unit interface P C board SW30 Header units are connected to the same central control except the header unit with the smallest line address number ...

Page 128: ...ator of indoor outdoor communication line and central control line ON No setting required Set to OFF after setting addresses No setting required Set to OFF after setting addresses ON Relay connector Connect after setting addresses Open Connect after setting addresses Open Connect after setting addresses Open Line system address 1 1 2 2 3 Indoor unit address 1 2 1 2 1 Group address 0 0 1 2 0 A U1 U...

Page 129: ...oller group control SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER DN code CODE No Set data 5 8 11 14 6 9 12 15 16 4 7 10 13 3 1 Arrange one indoor unit and one remote controller set to 1 by 1 2 Turn on the power 3 Push the buttons simultaneously for 4 seconds or more LCD begins blinking Refrigerant line address 4 Using the buttons set the DN code to 1...

Page 130: ...frigerant line After that set up the central control address For central control address setup refer to the installation manual of the central control devices Confirming the indoor unit addresses and the position of an indoor unit using the remote controller Confirming the numbers and positions of indoor units To see the indoor unit address of an indoor unit which you know the position of When the...

Page 131: ...vers of the indicated indoor unit are activated 3 Push the button to finish the procedure All the indoor units in the group stop To check all the indoor unit addresses using an arbitrary wired remote controller When communication wirings of 2 or more refrigerant lines are interconnected for central control Execute it while the units are stopped You can check indoor unit addresses and positions of ...

Page 132: ...h the button to finish the procedure Changing the indoor unit address using a remote controller To change an indoor unit address using a wired remote controller The method to change the address of an individual indoor unit the indoor unit is paired with a wired remote controller one to one or an indoor unit in a group The method is available when the addresses have already been set automatically E...

Page 133: ...en communication wirings of 2 or more refrigerant lines are interconnected for central control NOTE You can change the addresses of indoor units in each refrigerant line using an arbitrary wired remote controller Enter the address check change mode and change the addresses If no number appears on UNIT No no outdoor unit exists on the line Push button and select another line following step 2 Execut...

Page 134: ...ses so as to make each of them unique 7 Push the button All the segments on the LCD display light up 8 Push the button to finish the procedure Resetting the address Resetting to the factory default address undecided Method 1 Clearing each address separately using a wired remote controller Set the system address indoor unit address and group address to 0099 using a wired remote controller For the s...

Page 135: ...nnected with other refrigerant lines Check the connection of the relay connectors between U1 U2 and U3 U4 NOTE Take care to carry out the procedure above correctly otherwise addresses in other refrigerate lines may also be cleared 5 Set the addresses again after finishing the clearance s e s s e r d d a e l b a r a e l C 4 0 W S 3 0 W S 2 0 W S 1 0 W S 2 1 2 Confirm that the 7 segment display indi...

Page 136: ... the relay connector between U1 U2 and U3 U4 2 If it is off turn on SW30 bit 2 on the interface PC board at outdoor header unit side Turn off the power and then execute the operation 3 Turn on the indoor outdoor power for the refrigerant line for which an address is to be set up After approximately 1 minute check that U 1 is displayed on the 7 segment display 4 Execute the following operation on t...

Page 137: ...of the header unit with the smallest line address number in the central control turned on Setup is unnecessary for follower units 4 Is the terminal resistance SW30 bit 2 of the header units except for the line with the smallest central control line address turned off Setup is unnecessary for follower units Line address 5 Are addresses in the line address SW13 SW14 not duplicated in each refrigeran...

Page 138: ... setup communication from all the indoor units is interrupted under the condition that a normal operation can be performed Check and correct disconnection of the indoor outdoor communication line the communication line between the header unit and the leading indoor unit Check for the influence of communication noise E16 E16 XX Alternate blinking Exceeded the number or capacity of connected indoor ...

Page 139: ...ted between indoor and outdoor the unit that does not respond to the indoor remote controller Modify the wiring Line address and indoor address are not set the unit that does not respond to the indoor remote controller Set up the address The power of the header unit of the group is not turned on in indoor group control the unit that does not respond to the indoor remote controller Turn on the powe...

Page 140: ... After modification of wiring set up the addresses again and check the number of connected indoor units The number of outdoor units connected to a group is too few in group operation from an indoor remote controller The indoor remote controller is not connected with wire Miswiring of the indoor remote controller Using the main indoor remote controller connected to a group start a test operation sp...

Page 141: ...U1 U2 U1 U2 U1 U2 U1 U2 Header unit Header unit U1 U2 Header unit U1 U2 U1 U2 U5 U6 U1 U2 U5 U6 Follower unit U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U5 U6 U1 U2 U1U2 U1 U2 Line 1 U1 U2 Header unit Follower unit Header unit Follower unit Header unit Follower unit Line 2 U1 U2 U1 U2 U1 U2 U3 U4 U1 U2 U1 U2 U1 U2 U3 U4 U1 U2 U1 U2 U1 U2 U5 U6 U5 U6 U3 U4 U1 U2 or or U3 U4 U1 U2 Header unit Followe...

Page 142: ...turn Is air discharged from the discharge port of the indoor unit Is the sound normal When a check code has been displayed on the remote controller remove the cause of the error referring to Check code and check position displayed on remote controller and outdoor unit Check the indoor fan fan motor and fan circuit Check positions around the fan Check code appears Check code appears ...

Page 143: ...n is pushed for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push TEMPORARY button once again Approx 1 second Check wiring piping of the indoor and outdoor units in forced cooling opera...

Page 144: ...troller Ceiling type Test run Forced cooling operation Requirement Finish the forced cooling operation in a short time because it applies excessive strength to the air conditioner How to perform forced cooling operation 1 When TEMPORARY button is pushed for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts...

Page 145: ...est operation using Start Stop Function of the Indoor Unit from Outdoor Unit in the Service Support Function section Check power voltage of the main power supply Check the cable size of the power supply Check the temperature load of the indoor outdoor units Check the pipe length and refrigerant amount Check the operating Hz of the compressor Check the operation of the outdoor fans Check for abnorm...

Page 146: ... clamp meter at the compressor lead line is two times the rotation count rps of the compressor Each compressor may have a different frequency as a measure against resonance The temperature of the indoor heat exchanger TC indicates TCJ sensor temperature when cooling and TC2 sensor temperature when heating respectively 2 Criteria for operating pressure Criteria after 15 minutes or more has passed s...

Page 147: ... surely matches with the expected system capacity Check No of outdoor units Set the rotary switches SW01 SW02 SW03 on the interface P C board of the header unit to 1 3 3 Then No of outdoor units connected to the system is displayed on 7 segment display A Check that this display surely matches with the expected No of outdoor units Check No of indoor units No of units with cooling thermo ON Set the ...

Page 148: ...sults 2 Press the push switch SW05 on the interface P C board of the header unit for 2 seconds or more The indoor address in which error is being detected is displayed on 7 segment display B If there are multiple indoor address in which error is being detected they are successively exchanged and displayed When SW05 is turned on again the display returns to display of No of units After check return...

Page 149: ...n SW01 SW02 SW03 to 1 Section A C H Section B 11 00 is displayed on Section B for 5 seconds Batch stop Stops all the connected indoor units collectively Setup Set SW01 SW02 SW03 to 2 7 1 and press SW05 for 2 seconds or more Release Return SW01 SW02 SW03 to 1 Section A C H Section B 00 00 is displayed on Section B for 5 seconds 4 Individual start Starts the specified indoor unit Notes The contents ...

Page 150: ... power at the indoor side before power ON of outdoor unit Set SW01 SW02 SW03 on the interface P C board of the header unit to 2 5 1 C is displayed on 7 segment display A Test run is displayed on the remote controller of the indoor unit to be operated Check that C is displayed on 7 segment display B on the interface P C board of the header unit Press SW04 on the same board for 2 seconds or more Ret...

Page 151: ... same board for 2 seconds or more Test run is displayed on the remote controller of the indoor unit to be operated Check that H is displayed on 7 segment display B on the interface P C board of the header unit Set SW01 SW02 SW03 on the interface P C board of the header unit to 2 6 1 H is displayed on 7 segment display A Be sure to turn on power at the indoor side before power ON of outdoor unit Re...

Page 152: ...this case operation ready or operation mode controlled is displayed on the remote controller If the discharge temperature does not change though COOL or HEAT has been set up from the remote controller misconnection is considered Press SW04 on the same board for 2 seconds or more The indoor unit to be started operates Press the push switch SW05 on the interface P C board of the header unit for 2 se...

Page 153: ...sh switch SW04 on the same board for 2 seconds or more If pressed continuously for 10 seconds or more the operation changes to the individual test operation Match the rotary switches on the interface P C board of the header unit to the following table If an error is already displayed with SW01 SW02 SW03 being 1 1 1 return the status to normal one according to troubleshooting and then execute a tes...

Page 154: ...g buttons simultaneously for 4 seconds or more 2 Using buttons set CODE No to FF 3 The display in Section A in the following figure is counted with interval of 5 seconds as 0005 0004 0003 0002 0001 0000 When the count arrives 0000 the error is cleared However counting from 0005 is repeated on the display 4 When button is pushed the status returns to the normal status Error clearing in indoor unit ...

Page 155: ...ction is performed again Method 1 Be sure to reset power of both the outdoor and the indoor units 2 Turn on the power of the indoor unit prior to the power of the outdoor unit If the power is turned on in reverse order a check code E19 No of header unit error is output NOTE After power reset it requires usually 3 minutes to power on due to the initial communication of the system In some cases it r...

Page 156: ...to turn on the power of the indoor unit prior to the power of the outdoor unit Set the display select switches on the interface P C board of the header unit as follows Set SW01 SW02 SW03 to 2 4 1 Press the push switch SW04 on the same board for 2 seconds or more Checking display of the connected remote controller flashes Press the push switch SW05 on the interface P C board of the header unit for ...

Page 157: ...ded to forcedly open or close fully P M V PMV1 PMV2 PMV4 used in the outdoor unit for 2 minutes PMV1 PMV2 Open fully On the interface board of the outdoor unit set the dip switch SW12 bit1 to OFF SW12 bit2 to OFF and short circuit CN30 PMV1 PMV2 Close fully On the interface board of the outdoor unit set the dip switch SW12 bit1 to OFF SW12 bit2 to OFF and short circuit CN31 PMV4 Open fully On the ...

Page 158: ...id valve output is exchanged when SW02 has been kept with the same number for 5 seconds or more NOTE 2 The mark O in the table indicates that the corresponding solenoid valve is forcedly turned on NOTE 3 The mark in the table indicates that ON OFF of the solenoid valve is controlled based upon the specifications of the air conditioner NOTE 4 The mark in the table indicates that the corresponding s...

Page 159: ...de operation 4 After that by changing the setup number of the switches SW02 and SW03 7 segment display B and the fan mode are changed Mode output pattern of the fan is as follows Clear This function is cleared by one of the following operations 1 When SW01 setting number was changed to other number 2 Press switch SW05 was pressed for 2 seconds or more SW02 SW03 7 segment display B Fan mode 1 4 63 ...

Page 160: ...nds or more 3 E 1 is displayed on 7 segment display A 4 The fan of the outdoor unit in which error occurred starts operation within approx 10 seconds after E 1 was displayed In case to operate the fans in all the normal outdoor units 1 Check that the switches SW01 SW02 SW03 on the interface P C board in the header unit are set to 1 1 1 2 Press the push switches SW04 and SW05 at the same time for 2...

Page 161: ... SW04 on the interface P C board for 1 second or more The mode changes to the TO sensor value fix manual mode 3 As shown in the following table TO sensor value can be fixed by setting the rotary switch SW02 on the interface P C board Clear Return SW01 SW02 SW03 on the interface P C board in the outdoor unit to 1 1 1 NOTE If operated with TO sensor fixed by this function the system control operatio...

Page 162: ... t a e H H 6 n o i t c n u f F F O N O p o t s t r a t s e v i t c e l l o c r o o d n I H C 7 n o i t c n u f n w o d p m u P n o i t c n u f n o i t a r e p o y r e v o c e r t n a r e g i r f e r r o o d t u O d r 1 1 n o i t c n u f r a e l c r o r r E r E 6 1 2 1 16 3 H r Solenoid valve forced open close function 2 4 7 F d Fan forced operation function 2 15 t o Outside temperature sensor manu...

Page 163: ...ously for 4 seconds or more to call up the service monitor mode The service monitor goes on and temperature of the CODE No 00 is firstly displayed 2 Push the temperature setup buttons to select the CODE No to be monitored For displayed codes refer to the table next page 3 Push button to determine the item to be monitored Then monitor the sensor temperature or operation status of indoor unit and th...

Page 164: ...essor 2 discharge temperature Td2 1 C 14 24 34 Compressor 3 discharge temperature Td3 1 C C 1 S T e r u t a r e p m e t n o i t c u S 5 4 5 3 5 2 5 1 C 1 1 E T 1 e r u t a r e p m e t l i o c r o o d t u O 6 4 6 3 6 2 6 1 C 1 2 E T 2 e r u t a r e p m e t l i o c r o o d t u O 7 3 7 2 7 1 C 1 L T e d i s d i u q i l t a e r u t a r e p m e T 8 4 8 3 8 2 8 1 C 1 O T e r u t a r e p m e t t n e i b ...

Page 165: ...art Could it just be the 3 minute delay period 3 minutes after compressor shutdown Could it just be the air conditioner having gone thermo OFF Could it just be the air conditioner operating in fan mode or put on the timer Could it just be the system going through initial communication 2 An indoor fan would not start Could it just be cold air discharge prevention control which is part of heating 3 ...

Page 166: ...ic communication between indoor header and follower units cannot be maintained T L A 1 0 F Indoor heat exchanger temperature sensor TCJ error Heat exchanger temperature sensor TCJ has been open short circuited T L A 2 0 F Indoor heat exchanger temperature sensor TC2 error Heat exchanger temperature sensor TC2 has been open short circuited T L A 3 0 F Indoor heat exchanger temperature sensor TC1 er...

Page 167: ... been set as master remote controller in two remote controller control alarm and shutdown for header unit and continued operation for follower unit Check code Display of receiving unit Typical fault site Description of error TCC LINK central control Outdoor 7 segment display Indicator light block Sub code Flash C05 No indication when main remote controller also in use Faulty central control commun...

Page 168: ...refrigerant line found during automatic address setting Indoor unit from other refrigerant line is detected while indoor automatic address setting is in progress E23 E23 Outdoor outdoor communication transmission error Signal cannot be transmitted to other outdoor units E25 E25 Duplicated follower outdoor address There is duplication in outdoor addresses set manually E26 Address of outdoor unit fr...

Page 169: ...r discharge temperature sensor TD2 has been detected H16 01 TK1 oil circuit error 02 TK2 oil circuit error 03 TK3 oil circuit error 04 TK4 oil circuit error 05 TK5 oil circuit error H16 Oil level detection circuit error No temperature change is detected by temperature sensor for oil level detection TK1 5 despite compressor having been started H25 H25 Outdoor discharge temperature sensor TD3 wiring...

Page 170: ...ed by indoor unit T L A 3 1 P 3 1 P Outdoor liquid backflow detection error State of refrigerant cycle circuit indicates liquid backflow operation P15 01 TS condition 02 TD condition n o i t c e t e d k a e l s a G T L A 5 1 P Outdoor suction temperature sensor TS1 detects sustained and repeated high temperatures that exceed standard value T L A 7 1 P 7 1 P Outdoor discharge TD2 temperature error ...

Page 171: ...essor 1 02 Compressor 2 03 Compressor 3 H03 Current detection circuit error Abnormal current is detected while inverter compressor is turned off P04 01 Compressor 1 02 Compressor 2 03 Compressor 3 T L A 4 0 P Activation of high pressure SW High pressure SW is activated P07 01 Compressor 1 02 Compressor 2 03 Compressor 3 T L A 7 0 P Heat sink overheating error Temperature sensor built into IGBT TH ...

Page 172: ...K mode by pressing the buttons simultaneously and holding for at least 4 seconds The letters SERVICE CHECK light up and the check code 01 is displayed indicating the error history This is accompanied by the indoor unit No to which the error history is related and a check code 2 To check other error history items press the button to select another check code Check code 01 latest Check code 04 oldes...

Page 173: ...ttons simultaneously and hold for at least 4 seconds 2 The letters SERVICE CHECK light up and the check code 01 is displayed 3 When a group No is selected blinking if there is an error history the UNIT No and the latest error history information are displayed alternately During this procedure the temperature setting feature is unavailable 4 To check other error history items push the button to sel...

Page 174: ...connected overloading E19 Error in number of outdoor header units E20 Detection of refrigerant piping communication error during automatic address setting E23 Faulty transmission in outdoor outdoor communication E25 Duplicated follower outdoor address E26 Faulty reception in outdoor outdoor communication dropping out of outdoor unit E28 Outdoor follower unit error E31 IPDU communication error P01 ...

Page 175: ...emperature sensor TD1 H06 Abnormal drop in low pressure sensor Ps reading Protective shutdown of outdoor unit H07 Abnormal drop in oil level H08 Error in temperature sensor for oil level detection circuit TK1 TK2 TK3 TK4 or TK5 H15 Wiring installation error or detachment of outdoor discharge temperature sensor TD2 H16 Oil level detection circuit error Error in outdoor unit TK1 TK2 TK3 TK4 or TK5 c...

Page 176: ...est run in progress Setting incompatibility automatic cooling heating setting for model incapable of it and heating setting for cooling only model t l u a f f o e s u a C e d o c k c e h C k c o l b t h g i L Operation Synchronized blinking Timer Ready Operation Timer Synchronized blinking Ready Alternate blinking Operation Timer Ready ...

Page 177: ...cation error detected at indoor end Stop of corresponding unit There is no communication from remote controller including wireless or network adaptor Check remote controller and network adaptor wiring E04 Indoor unit Indoor outdoor communication circuit error detected at indoor end Stop of corresponding unit Indoor unit is not receiving signal from outdoor unit Check order in which power was turne...

Page 178: ... equipment in other refrigerant line is in progress Outdoor automatic address setting is started while automatic address setting for indoor units is in progress Perform automatic address setting again after disconnecting communication cable to that refrigerant line E15 E15 I F Indoor unit not found during automatic address setting All stop Indoor unit cannot be detected after indoor automatic addr...

Page 179: ...ted to other outdoor units for at least 30 seconds continuously Check power supply to outdoor units Is power turned on Check connection of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board I F Check termination resistance setting for communication between outdoor units E25 E25 I F Duplicated fo...

Page 180: ...p of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TC1 sensor connector and wiring Check resistance characteristics of TC1 sensor Check for defect in indoor P C board F04 F04 I F TD1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check resistance characteristics of TD1 sensor ...

Page 181: ... error TE1 TL All stop During compressor operation in HEAT mode TE1 continuously provides temperature reading higher than indicated by TL by at least specified margin for 3 minutes or more Check installation of TE1 and TL sensors Check resistance characteristics of TE1 and TL sensors Check for outdoor P C board I F error F16 F16 I F Outdoor pressure sensor wiring error Pd Ps All stop Readings of h...

Page 182: ...5V 10 Check compressor system wiring particularly for open phase Check connection of connectors terminals on A3 IPDU P C board Check conductivity of case heater Check for refrigerant entrapment inside compressor Check for defect in outdoor P C board A3 IPDU Check outdoor MG CTT H03 H03 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU Current detection circuit error All stop Curr...

Page 183: ...Check connection of TK1 sensor connector Check resistance characteristics of TK1 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK2 sensor connector Check resistance characteristics of TK2 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check co...

Page 184: ... for disconnection of TK3 sensor Check resistance characteristics of TK3 sensor Check for connection error involving TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK4 despite compressor ...

Page 185: ...Connection of group control cable to stand alone indoor unit Stop of corresponding unit There is at least one stand alone indoor unit to which group control cable is connected Check indoor addresses L08 L08 Indoor unit Indoor group addresses not set Stop of corresponding unit Address setting has not been performed for indoor units Check indoor addresses Note This code is displayed when power is tu...

Page 186: ...n external device 2 Check for defect in indoor P C board When external device is not connected to CN80 connector 1 Check for defect in indoor P C board L31 I F Extended IC error Continued operation There is part failure in P C board I F Check outdoor P C board I F P01 Indoor unit Indoor fan motor error Stop of corresponding unit Check the lock of fan motor AC fan Check wiring P03 P03 I F Discharge...

Page 187: ...e phase sequence All stop Open phase is detected when power is turned on Inverter DC voltage is too high overvoltage or too low undervoltage Check for defect in outdoor P C board I F 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side Inverter DC voltage Vdc error compressor MG CTT error P07 P07 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU I F Heat sink overheatin...

Page 188: ...s gas side liquid side to confirm full opening Check PMVs PMV1 2 for clogging Check resistance characteristics of TS1 sensor Check for defect in 4 way valve Check SV4 circuit for leakage 02 TD condition I F Gas leak detection TD condition All stop Protective shutdown due to sustained discharge temperature TD1 TD2 or TD3 at or above 108 C for at least 10 minutes is repeated four times or more Check...

Page 189: ...on of high pressure protection All stop Pd sensor detects pressure equal to or greater than 3 6MPa Check for defect in Pd pressure sensor Check service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 4 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdo...

Page 190: ...k connection of fan motor connector Check for defect in fan IPDU P C board All stop Sub code C Higher temperature than the specified value is detected during operation of the fan Check fan motor Check for defect in fan IPDU P C board All stop Sub code D The resistance value of the sensor is infinite or zero open or short circuit Check for defect in fan IPDU P C board All stop Sub code E Fan IPDU D...

Page 191: ...for defect in central control communication line Check termination resistance setting Check power supply for devices at other end of central control communication line Check defect in P C boards of devices at other end of central control communication line 2 1 C General purpose device I F Blanket alarm for general purpose device control interface Continued operation Error signal is input to contro...

Page 192: ...ooked If there is any loose connector tighten it with a pair of pliers etc before connecting the lead How to Check Resistance of Compressor Winding 1 Turn off the power supply 2 Remove compressor leads from the compressors 3 With each compressor check the phase to phase winding resistances and winding to outdoor cabinet resistance using a multimeter Earth fault It is normal if the winding to outdo...

Page 193: ...tween the remote controller and indoor units is connected properly Is there no disconnection or connector contact error on harness out of terminal block of indoor unit Is a group control operation Is power of each indoor unit turned on Is power applied to remote controller AB terminals Approx DC18V Is setup of two remote controllers without header remote controller Correct inter unit cable of remo...

Page 194: ...r unit wire normal Is connector connection from U1 U2 terminals of indoor outdoor inter unit wire normal Is the end terminal resistance setup of outdoor unit normal Is power applied to fuse F03 on indoor P C board Is address setup correct Is there no noise etc Is connection of CN40 connector on indoor P C board normal Is connection of CN01 connector on outdoor I F P C board normal Is power of indo...

Page 195: ... to outdoor unit correct Is inter unit wire U1 U2 between indoor and outdoor short circuited Is connection of inter unit wire between indoor and outdoor correct Is there no error on power wire to outdoor unit Is there noise source Is F400 fuse on I F P C board opened Correct setup of end terminal resistance Correct wire connection Correct communication line Set up indoor address again Correct comm...

Page 196: ...s there no noise source Set up address again after resetting power supply Is there any trouble on power line Are U1 U2 U3 and U4 connectors connected Set up one controller as the header and the other follower Remote controller address connector Correct communication line Correct connection of connector Correct connection of connector Correct power wire Set up address again after resetting power su...

Page 197: ... Are powers of all indoor units turned on Check indoor address Is No of connected indoor units correct Is setup of indoor units HP correct Is total capacity of connected indoor units within 135 For a service P C board check outdoor HP setup Set up jumper 9 10 11 and 12 Indoor capacity over has been detected during the backup operation Perform setup of no detection for capacity over 1 Correct remot...

Page 198: ...re not communication lines U1 U2 between indoor and outdoor connected to multiple outdoor units Is communication line between indoor and outdoor connected to one unit per 1 system Is connection of CN03 connector on outdoor I F P C board normal Is not main power of outdoor unit turned off Did power failure occur Is there no noise source etc Is the end terminal resistance between outdoor units turne...

Page 199: ... I F P C board Measurement with tester DC 0 to 5V 5 pins GND Is there voltage deflection between 3 and 5 pin of CN600 on I F P C board Measurement with tester DC0 to 5V 5 pins GND Is main power of follower unit turned on Is communication line between outdoor units connected normally Is communication connector CN03 between follower outdoor units connected Clear the error and then start operation 1 ...

Page 200: ...2 sensor Check indoor P C board Defect Replace Check indoor main P C board Defect Replace Check indoor P C board Defect Replace See Indoor unit temperature sensor characteristics on 8 9 Sensor Characteristics See Indoor unit temperature sensor characteristics on 8 9 Sensor Characteristics See Indoor unit temperature sensor characteristics on 8 9 Sensor Characteristics This error code means detecti...

Page 201: ...ection of connectors Check outdoor I F P C board Defect Replace TE1 sensor Outdoor heat exchanger temp sensor TL sensor Temp sensor between liquid tanks of outdoor PMV1 2 See Outdoor unit temperature sensor characteristics on 8 9 Sensor Characteristics This error code means detection of Open Short of TL sensor Check disconnection of circuit for connection of connector TL sensor CN523 White and cha...

Page 202: ...ce Sensor error Replace Check compressor e v l a v y a w 4 k c e h C e v l a v 4 V S e c a l p e R Check compressor Check outdoor I F P C board Defect Replace 1 Pressure Check joint by pressure gauge 2 Pressure display on 7 segment display 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor itself is considered If 2 and 3 are different check interface P C board...

Page 203: ...en other compressor starts Is winding resistance between phases of corresponding compressor normal Note 1 Is not it an abnormal overload Is connection of wiring or connection of connector on A3 IPDU P C board normal Check power voltage and line Correct power line Check external noise etc Check I F P C board Correct power line Correct connector connection or wiring Compressor error Motor burning et...

Page 204: ...ge drop occur when other compressor starts Is wiring or connector connection on A3 IPDU P C board normal Is MG CTT normal 2 Is there no refrigerant stagnation in compressor shell Is compressor normal 3 Is case heater output normal Correct power line Correct connector connection or wiring Check IPDU P C board Correct connector connection or wiring Exchange MG CTT No Yes Abnormal overload Correct ca...

Page 205: ... Open service valves fully Exchange low pressure sensor Correct SV2 and SV4 circuits Correct wiring Repair faulty parts Check indoor P C board Failure Replace Refrigerant shortage or clogging or pipe deformed Repair faulty parts Repair faulty parts Refrigerant shortage clogging pipe deformed Replace PMV body Check outdoor I F P C board Failure Replace In cooling season go to A In heating season go...

Page 206: ... the power supply take off connector of SV3A valve and then start a test operation after power ON Check the temperature change at secondary side of SV3A valve during operation 1 in the figure If temperature is raised leakage occurs in the SV3A valve Replace SV3A valve b Leakage check for SV3C valve Turn off the power supply take off connector of SV3C valve and then start a test operation after pow...

Page 207: ...r 2 seconds or more Set up SW02 6 and turn on SV3A valve 7 segment display Hr 3 A If temperature is low at secondary side of the valve or it does not change clogging of valve or check valve is considered 1 in the figure b Leakage check for SV3C valve While outdoor unit is operating set up SW01 02 03 2 1 3 7 segment display Hr and push SW04 for 2 seconds or more Set up SW02 8 and turn on SV3C valve...

Page 208: ...s are normal replace the outdoor I F P C board 1 Coming off of TK1 sensor miswiring characteristics error of resistance value 2 Oil equalization circuit error Check valve capillary clogging strainer clogging 3 Refrigerant stagnation in the compressor shell Is not TK1 sensor detached Is there no miswiring or misinstallation on TK1 TK2 TK3 TK4 TK5 sensors Are characteristics of TK1 sensor resistance...

Page 209: ...splay TK2 sensor temperature on 7 segment display with SW01 02 03 1 13 2 Check TK2 sensor temp approx 10 minutes after compressor 1 has operated If low temperature continues approximately outside temp or temperature has little change a clogging of strainer of oil equalization circuit clogging of capillary tube or malfunction of check valve is considered Compressor 2 Note 1 Refer to the article of ...

Page 210: ... installation of sensor Sensor error replace Replace clogging part capillary Replace SV3E valve Check I F P C board Sensor error Replace clogging part Replace SV3E valve Check I F P C board Correct miswiring misinstallation TK1 CN531 black TK2 CN532 green TK3 CN533 pink TK4 CN534 yellow TK5 CN535 red Correct miswiring misinstallation TK1 CN531 black TK2 CN532 green TK3 CN533 pink TK4 CN534 yellow ...

Page 211: ...sensor resistance value normal Check the clogging of SV3E valve Note 1 Correct miswiring misinstallation TK1 CN531 black TK2 CN532 green TK3 CN533 pink TK4 CN534 yellow TK5 CN535 red Note 1 Refer to the article of the check code H07 H25 Yes Yes No No e s u a C e d o c k c e h C Check code name Outdoor discharge temperature sensor TD3 misconnection 1 Coming off of TD3 sensor 2 Misinstallation of TD...

Page 212: ... e h C Check code name 1 Check whether the connection on remote controllers group and or individual has been changed since the group configuration and address checking on the remote controllers finished 2 If the group configuration and address are normal when power has been turned on the mode automatically shifts to address setup mode For setting up addresses again refer to Address setup Duplicate...

Page 213: ... 2 Connection error of communication line between outdoor units 3 Outdoor I F P C board error L08 Yes No No Yes L09 L10 e s u a C e d o c k c e h C Check code name e s u a C e d o c k c e h C Check code name e s u a C e d o c k c e h C Check code name I F P C board A ssy service for the outdoor unit is common to this series A setup for model selection different from that for P C board with trouble...

Page 214: ...Sub code 01 02 03 04 05 06 07 08 09 1 2 A3 IPDU 3 0A 0B 0C 0D 0E 0F 1 2 A3 IPDU O O O O O O O O 3 O O O O O O O O O O O O O O O O O O O O O O O O e s u a C e d o c k c e h C Check code name Is jumper setup of outdoor I F P C board correct Check jumpers 8 9 10 11 and 12 Is communication connector between IPDU and I F P C board connected Is there no disconnection of communication line between IPDU a...

Page 215: ...eplace B Cooling operation Cooling To B Heating To C Reset power supply and start a test operation corresponded to the season Is outdoor PMV normal 1 Connector connection 2 Cabling 3 Coil 4 Valve body 5 Outdoor I F P C board Yes No Yes Yes No Yes No No No Yes Yes No P03 e s u a C e d o c k c e h C Check code name Discharge temp TD1 error Are service valve of gas and liquid sides fully opened Open ...

Page 216: ...o compressor or connector connection Check fan and fan motor Tighten screws Clear clogging Check A3 IPDU P C board Yes Yes Yes No No Yes No Yes No No No No No Yes No Yes Yes Yes Yes Yes Yes No No C A Is SV2 circuit normal Is SV4 circuit normal Does heating indoor fan normally operate Are connector connection condenser fan motor and fan normal Is connector connection and coil normal Is there cloggi...

Page 217: ...35 to 50Ω 2 way Cassette type AP007 to AP015 Approx 70 to 100Ω AP018 to AP030 Approx 30 to 70Ω AP036 to AP056 Approx 20 to 50Ω 1 way Cassette type Approx 30 to 70Ω Ceiling type AP015 to AP027 Approx 30 to 70Ω AP036 to AP056 Approx 20 to 50Ω Wall and concealed duct types Approx 15 to 35Ω Is not grounded between cabinet and 1 3 5 Should be 10MΩ or more 2 Check resistance value of fan motor position ...

Page 218: ... No Yes Yes No Yes No Yes Yes P13 e s u a C e d o c k c e h C Check code name Outdoor liquid back detection error 1 PMV1 PMV2 error 2 Pd sensor Ps sensor error 3 Clogging of SV2 circuit 4 Clogging of SV3B circuit and or balance pipe 5 Leakage at a check valve on a main discharge pipe 6 Outdoor I F P C board error Are connections of outdoor PMV1 PMV2 PMV4 connectors correct Are operations of outdoo...

Page 219: ... coils installed correctly 2 Is SV42 circuit sealed correctly no leakage Yes Yes No No Yes No Yes No No Yes P15 e s u a C e d o c k c e h C Check code name Gas leak detection TD condition Sub code 02 1 Outdoor unit service valve closed 2 Outdoor PMV error 3 TD sensor error 4 SV4 circuit error 5 Refrigerant shortage clogging refrigerant circuit Are service valves of gas and liquid sides fully opene...

Page 220: ...or lower TS1 sensor Normal if TS is 50 C or less in the seasons except summer Outside temp 20 C or lower Yes No Yes Yes No Yes No No No Yes Yes No P18 e s u a C e d o c k c e h C Check code name Discharge temp TD3 error 1 Outdoor unit service valve closed 2 Outdoor PMV error 3 TD sensor error 4 Refrigerant shortage clogging of refrigerant circuit 5 4 way valve error 6 SV4 circuit leakage misinstal...

Page 221: ... faulty parts Repair check valve Replace Eliminate the interference Replace PMV body Repair SV5 circuit Check and correct wiring Replace TC2 or TCJ sensor Refrigerant overcharge clogging pipe breakage abnormal overload Check indoor P C board Faulty Replace Coil error choke disconnection of cables etc Check it using the miswiring check function of the outdoor unit Repair faulty parts Repair faulty ...

Page 222: ...ror Ignore the indication 0 F on digit Is wire connector connection on fan IPDU P C board normal Is power voltage of outdoor unit normal Is wire connector connection on INV P C board normal Is there no fusing of AC30A fuse Is compressor normal Is smoothing condenser normal 1500µF 400V Is not outdoor fan motor locked Is the resistance of the motor s winding wire normal Is sub code of outdoor I F P ...

Page 223: ... 02 Compressor 2 03 Compressor 3 Are connector connection and wiring normal Is the unit grounded Is not winding shorted Is winding resistance 0 1 to 0 4Ω Is not winding opened Check and correct circuit and cables such as wiring to compressor etc Compressor error Replace Compressor error Replace Compressor error Replace Check A3 IPDU P C board Failure Replace When the header unit of the group detec...

Page 224: ...t hand section of the 7 segment display B U1 OOO OOO Check code To check the check code set the rotary switches SW01 SW02 SW03 to 1 1 1 If there is a sub code the display alternates between the check code OOO 3 seconds and the sub code OOO 1 second 2 Check the check code and follow the applicable diagnostic procedure 3 If the 7 segment display shows U1 E28 there is an error in a follower unit Pres...

Page 225: ...n cooling C1 Normal C B Refrigerant recovery in heating H1 Normal H 11 Automatic addressing A Ad B During automatic addressing FF Normal 12 Power pick cut A dU B Normal During 50 90 capacity operation _50 _90 While control is based on BUS line input E50 E90 13 B A s u t a t s l o r t n o c l a n o i t p o s y a l p s i D t u p n i d r a o b C P l o r t n o c l a n o i t p O Operation mode selectio...

Page 226: ...B Displays compressor backup setting status Normal Compressor No 1 backup 1 Compressor No 2 backup 1 Compressor No 3 backup 1 8 A B 9 Control valve output data Displays control output status of solenoid valve A B 1 H F F O 2 e v l a v y a w 4 N O e v l a v y a w 4 0 H N O 2 e v l a v y a w 4 F F O e v l a v y a w 4 10 0 0 1 2 F F O 6 V S F F O 5 V S N O 2 V S 0 1 0 2 N O 6 V S N O 5 V S F F O 2 V ...

Page 227: ...negative value is displayed as Letter symbol t d 1 Data 5 2 d t l o b m y s r e t t e L a t a d r o s n e s 2 D T Data 6 3 d t l o b m y s r e t t e L a t a d r o s n e s 3 D T Data 7 S t l o b m y s r e t t e L a t a d r o s n e s S T Data 8 E t l o b m y s r e t t e L a t a d r o s n e s 1 E T Data 9 2 E t l o b m y s r e t t e L a t a d r o s n e s 2 E T Data 10 L t l o b m y s r e t t e L a t ...

Page 228: ... r o s s e r p m o c n e h W 0 1 0 N O s i 2 o N r o s s e r p m o c n e h W 1 0 0 N O s i 3 o N r o s s e r p m o c n e h W 5 Fan operation mode A U SW03 setting No 1 Outdoor unit No U2 to U4 B At rest F 0 In mode 63 F 6 3 6 Release signal A U SW03 setting No 1 Outdoor unit No U2 to U4 B Normal r Upon receiving release signal r 1 7 Oil level judgment A U SW03 setting No 1 Outdoor unit No U2 to U4...

Page 229: ... receiving status B Upon receiving signal 1 Other times 5 Indoor check code B No check code 6 Indoor HP capacity B 0 2 0 5 0 8 1 1 2 1 7 2 2 5 3 3 2 4 5 6 8 1 0 1 6 2 0 7 Indoor request command S code operation mode B represents mode COOL C HEAT H FAN F OFF S represents S code 0 to F 8 Indoor PMV opening data B Displayed in decimal format 9 Indoor TA sensor data B Displayed in decimal format 11 1 ...

Page 230: ...mpleted revert the SW01 SW02 SW03 setting to 1 1 1 2 Oil Level Judgment Results Display example Displayed digit Judgmen n o i t p i r c s e D t l u s e r t O Normal The amount of oil in the compressor is sufficient 1 2 Low level The amount of oil in the compressor is insufficient Both 1 and 2 stand for insufficiency If this result persists the system will turn itself off in a protective shutdown 1...

Page 231: ...t Oil level low detection and protection H07 Oil level low SV3E valve I Corresponding unit Oil level detection circuit error Oil level low detection and protection H16 05 H07 Oil circuit error Oil level low Oil level low w o l l e v e l l i O 7 0 H n o i t c e t o r p d n a n o i t c e t e d w o l l e v e l l i O t i n u g n i d n o p s e r r o C J r o t u b i r t s i d n r u t e r l i O r o r r e...

Page 232: ...heck valve Check valve SV3A TD1 TK4 SV3E TK5 SV41 SV42 A3 Oil header Oil separator Fan SV3C Reducer TO SV SV SV SV SV SV SV SV SV Heat exchanger Left side Heat exchanger Fan motor FP Low pressure sensor Fusible plug High pressure SW High pressure SW Compressor 1 inverter Compressor 2 inverter Liquid side packed valve Gas side service valve Balance pipe packed valve A C D E J F K G H I B ...

Page 233: ...etection circuit error Oil level low detection and protection H16 05 H07 Oil circuit error Oil level low Oil level low w o l l e v e l l i O 7 0 H n o i t c e t o r p d n a n o i t c e t e d w o l l e v e l l i O t i n u g n i d n o p s e r r o C J e v l a v F 3 V S w o l l e v e l l i O 7 0 H n o i t c e t o r p d n a n o i t c e t e d w o l l e v e l l i O t i n u g n i d n o p s e r r o C K r o...

Page 234: ...6 TO SV3F SV3C SV SV SV SV SV SV SV SV SV SV SV Right side Main heat exchanger Left side Main heat exchanger Right side sub heat exchanger Fan motor Liquid side service valve Gas side service valve Balance pipe packed valve Low pressure sensor Accumulator Oil separator Liquid tank Fusible plug High pressure SW High pressure SW High pressure SW Compressor 1 inverter Compressor 2 inverter Compressor...

Page 235: ...0 95 100 105 110 115 120 181 5 138 5 107 2 83 6 65 7 52 0 41 5 33 4 27 1 22 1 18 1 14 9 12 4 10 4 8 7 7 3 6 2 5 3 4 5 3 9 3 3 2 9 2 5 2 2 1 9 Outdoor TS1 TE1 TE2 TL and TO sensors Outdoor TD1 TD2 TD3 TK1 TK2 TK3 TK4 and TK5 sensors Resistance kΩ 10 C or below Resistance kΩ 10 C or above Resistance kΩ 10 C or below Resistance kΩ 10 C or above 10 15 25 5 20 0 10 20 30 40 50 60 70 10 0 Temperature C ...

Page 236: ... Black GND Black 4 5V Red 5V Red s P e d i s e r u s s e r p w o L d P e d i s e r u s s e r p h g i H 0 5 4 3V 0 3 73MPa 0 5 3 5V 0 0 98MPa 1 5 1 4 4 0 0 5 4 3 5 1 5 7 4 1 8 9 0 0 0 5 3 5 5 3 73 High pressure side output voltage V Low pressure side output voltage V a P M e r u s s e r P a P M e r u s s e r P 0 5 10 15 20 25 30 35 40 45 50 55 60 33 9 26 1 20 3 15 9 12 6 10 0 8 0 6 4 5 2 4 2 3 5 2 ...

Page 237: ... 6 35 2 26 9 20 7 16 1 12 6 10 0 8 0 6 4 5 2 4 2 3 5 2 8 2 4 2 0 1 6 1 4 1 2 Temperature C Resistance kΩ Temperature C Resistance kΩ 10 15 5 20 0 10 20 30 40 50 60 70 0 0 1 0 9 0 8 0 0 1 20 30 100 150 50 200 0 10 15 5 20 0 10 20 30 40 50 60 70 0 0 1 0 9 0 8 0 0 1 20 30 100 50 200 0 Resistance kΩ 10 C or below Resistance kΩ 10 C or above Temperature C Resistance kΩ 10 C or below Resistance kΩ 10 C ...

Page 238: ...2 2 73 2 75 2 77 2 79 2 81 2 83 2 85 2 87 2 89 2 91 2 93 2 95 2 97 1 46 1 48 1 50 1 52 1 54 1 56 1 58 1 60 1 62 1 64 1 66 1 67 1 69 1 71 1 73 1 75 1 77 1 79 1 81 1 83 1 85 1 87 1 89 1 90 1 92 1 94 1 96 1 98 2 00 2 02 2 04 2 06 2 08 2 10 2 12 2 13 2 15 2 17 2 19 2 21 2 23 2 25 2 27 2 29 2 31 2 33 2 35 2 36 2 38 2 40 2 42 14 9 15 1 15 3 15 5 15 7 15 9 16 1 16 3 16 5 16 7 16 9 17 1 17 3 17 5 17 7 17 ...

Page 239: ...85 2 87 2 89 2 91 2 93 2 95 2 97 0 49 0 49 0 50 0 51 0 51 0 52 0 53 0 53 0 54 0 55 0 55 0 56 0 56 0 57 0 58 0 58 0 59 0 60 0 60 0 61 0 62 0 62 0 63 0 64 0 64 0 65 0 65 0 66 0 67 0 67 0 68 0 69 0 69 0 70 0 71 0 71 0 72 0 72 0 73 0 74 0 74 0 75 0 76 0 76 0 77 0 78 0 78 0 79 0 79 0 80 0 81 5 0 5 0 5 1 5 2 5 2 5 3 5 4 5 4 5 5 5 6 5 6 5 7 5 8 5 8 5 9 6 0 6 0 6 1 6 1 6 2 6 3 6 3 6 4 6 5 6 5 6 6 6 7 6 7 ...

Page 240: ...or unit backup operation Note 5 With a two outdoor unit system containing an MMY MAP1604 or MAP1404 and an MMY MAP1204 or MMY MAP0804 or MAP1004 do not preform outdoor unit backup operation to back up the MMY MAP1604 or MAP1404 It could lead to compressor failure due to the abnormal operation u k c a b f o d o h t e M t l u a f f o s t n e t n o C p operation Setting procedure 2 9 o t o G 2 e t o ...

Page 241: ...d to the system This is the end of compressor backup operation setting Three compressor model SW06 Bit 1 Bit 2 Bit 3 Bit 4 F F O F F O F F O F F O g n i t t e s t l u a f e d y r o t c a F When compressor No 1 front left is faulty ON OFF OFF OFF When compressor No 2 front center is faulty OFF ON OFF OFF When compressor No 3 front right is faulty OFF OFF ON OFF Two compressor model SW06 Bit 1 Bit 2...

Page 242: ...ose the liquid pipe service valve 4 In case of fault in compressor electrical part I F P C board or IPDU P C board From this point on keep the power supply to the failed unit off In case of fault in refrigerating circuit or related part pressure sensor temperature sensor refrigerating cycle part or fan system part Disconnect the connector CN03 for outdoor outdoor communication BUS2 provided on the...

Page 243: ... settings needed to gain permission for backup operation from the header unit error clearance 1 Set SW01 02 03 on the interface P C board to 1 1 1 and confirm that U1 E26 dropping out of an outdoor unit is displayed on the 7 segment display 2 Set SW01 02 03 on the interface P C board to 2 16 1 Upon confirming that Er is displayed on the 7 segment display press SW04 and hold for 5 seconds or more 3...

Page 244: ...part Disconnect the connector CN03 for outdoor outdoor communication BUS2 provided on the interface P C board Selection of new header unit 5 Select a new header unit from the follower units on the basis of the following criteria If only one follower unit is connected select it as the header unit If two or more follower units are connected select the follower unit that is nearest to the failed head...

Page 245: ...Turn on the power supply to protect the compressor by turning on the case heater When the power supply to the unit is turned on E19 error in the number of outdoor header units will be displayed on the 7 segment display However this will not cause any problems This is the end of header outdoor unit backup operation setting Check the operation 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 ...

Page 246: ...r electric circuit this function is not available In that case follow the procedure specified in the Outdoor Unit Backup Operation Setting section Work procedure 1 Turn off the power supply to all the units connected to the system Setup of failed outdoor unit Regardless of whether the failed outdoor unit is the header unit or a follower unit there is no difference in the setup procedure 2 Turn on ...

Page 247: ...g a tube piercing valve or some other tool After a pump down operation do not perform any welding until the residual gas in the heat exchangers is recovered Work procedure Turn on the power supply to the system at the source but leave the system switched off If the fault involves poor insulation of a compressor motor remove the motor leads before the power is turned on Setup of failed outdoor unit...

Page 248: ...t for pressure adjustment to 1 2 2 11 As the low pressure sensor output is displayed on the 7 segment display adjust the pressure to around 0 12 MPa by slowly closing the gas pipe service valve with checking pressure data 12 Compare the low pressure sensor outputs of the failed unit with that of the unit for pressure adjustment and wait until the two pressure readings become almost the same After ...

Page 249: ...ose gas pipe service valve 8 Select outdoor unit with lowest unit No as outdoor unit for pressure adjustment Fully close balance pipes of all outdoor units other than unit for pressure adjustment and failed unit While monitoring low pressure sensor output adjust pressure to around 0 12 MPa by slowly closing gas pipe service valve When low pressure sensor output of failed outdoor unit falls below 0...

Page 250: ...t 1 Connect the liquid pipe check joint and the low pressure side check joint using a gauge manifold and purge the manifold of air to recover refrigerant from the liquid tank and heat exchangers 2 Fully close the liquid pipe packed valve of the failed outdoor unit Leave the service valve of the gas pipe and the packed valve of the balance pipe fully open Setup of unit selected as header unit herea...

Page 251: ...ecovery device Be sure to measure the amount of recovered refrigerant This is necessary to determine how much additional refrigerant will be needed after the completion of the repair This is the end of the refrigerant recovery operation Set SW01 02 03 of the header unit back to 1 1 1 8 6 7 9 10 12 11 Approx 10 minutes after system startup fully close gas pipe service valve Select header unit as un...

Page 252: ...a 30HP system Amount of refrigerant required by system as it was initially 30HP in capacity 34 5kg Amount of refrigerant required by system with available outdoor units only 20HP in capacity 26 0kg Amount of refrigerant to be removed from system 34 5 26 0 8 5kg 3 Set up the outdoor unit from which refrigerant has been recovered in the manner described in 9 3 Outdoor Unit Backup Operation Setting T...

Page 253: ...d suction pipe SW12 CN30 PMV operation Bit 1 Bit 2 Bit 3 Bit 4 OFF OFF OFF OFF Short circuit PMV1 and 2 fully open for 2 minutes OFF ON OFF OFF Short circuit PMV4 fully opens for 2 minutes TL PMV1 4 way valve Check valve High pressure sensor TD2 Accumulator TS1 SV2 Low pressure sensor TE1 M SV3D PMV2 TK2 SV3B TK1 SV3A TD1 TK4 SV3E TK5 SV41 SV42 Oil pipe PMV4 Fan Liquid tank TE2 Left side sub heat ...

Page 254: ...situations such as indoor unit relocation and repairs it is not possible to recover all the refrigerant held by the system in the outdoor units It could cause a serious accident such as blow out or injury Be sure to perform refrigerant recovery using a refrigerant recovery device WARNING When detaching a pipe by heating with a burner a welded joint take care as any oil left in the piping may burn ...

Page 255: ...ed A cc by following the steps below 1 Amount of oil in faulty compressor A cc 0 A 1000 1 Adjust the amount of oil in the new compressor to 1000cc Lay the new compressor down and draw 900 cc of oil via the oil equalization pipe Notes Do not draw more than 900 cc of oil as it may cause damage to the compressor If the faulty compressor contained 500cc or less there may have been a problem with the o...

Page 256: ...al compressor contained B cc by following the steps below 1 Combined amount of oil in faulty and normal compressors A B cc 0 A B 2000 1 Adjust the amount of oil in the two new compressors to 1000cc each total 2000cc Lay the compressors down and draw 900 cc of oil from each of them via their oil equalization pipes Notes Do not draw more than 900 cc of oil from a compressor as it may cause damage If...

Page 257: ...y following the steps below 1 Combined amount of oil in faulty compressor and two normal compressors A B C cc 0 A B C 3000 1 Adjust the amount of oil in the three new compressors to 1000cc each total 3000cc Lay the compressors down and draw 900 cc of oil from each of them via their oil equalization pipes Notes Do not draw more than 900 cc of oil from a compressor as it may cause damage If the faul...

Page 258: ...f the outdoor unit cannot be vacuum pumped Connect a vacuum pump consecutively to the check joints placed in the liquid and discharge pipes and on the high pressure side of the suction pipe and turn it on Operate the vacuum drying until the vacuum gauge indicates 1 mmHg Method to fully open PMV manually 1 Turn on the power switch of the outdoor unit 2 With the Bits 1 and 2 of SW12 set to off short...

Page 259: ...cted to the same refrigerant line fully open Are the characteristics of the TK1 TK2 TK3 TK4 or TK5 sensors of the unit that has replaced compressor correct To next page No No No Yes TK1 CN531 TK2 CN532 TK3 CN533 TK4 CN534 TK5 CN535 Yes Yes With the compressor s disconnected check the oil circuit in accordance with the procedure described below Open the balance pipe valves fully Correct the miswiri...

Page 260: ... of discharge pipe with nitrogen manually open the SV3B valve If gas escapes from the suction pipe section of the disconnected compressor there is a leak from the SV3A valve Replace the part Leakage of SV3B valve H 6 Then manually open the SV3A valve If gas escapes from the suction pipe section of the disconnected compressor there is a leak from the SV3B valve Replace the part Clogging of SV3E val...

Page 261: ...gen manually open the SV3B valve If gas escapes from the suction pipe section of the disconnected compressor there is a leak from the SV3A valve Replace the part Leakage of SV3B valve H 6 Then manually open the SV3A valve If gas escapes from the suction pipe section of the disconnected compressor there is a leak from the SV3B valve Replace the part Clogging of SV3E valve Clogging of oil return dis...

Page 262: ...anel M5 10 2 pcs 5 Remove the screws for the suction cabinet Front and rear M5 10 4 pcs each 6 Remove the screws for the discharge cabinet side cabinet Left and right M5 10 6 pcs each 2 Attachment Carry out installation by following the detachment procedure in reverse 6 1 Be careful of the hooks provided on the suction cabinet service panel and lower cabinet With a 14 16HP unit the discharge cabin...

Page 263: ... and propeller fan To loosen the nut turn it clockwise 5 Remove the square washer 6 Remove the propeller fan CAUTION Lift it straight up Do not forcibly pull it or it may get stuck 7 Disconnect the faston connectors for the fan motor leads 3 pieces from the Fan IPDU and pull the leads up and out 8 Remove the fan motor M6 20 4 pcs s k r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r ...

Page 264: ...heat 2 Be sure to put the square washer in place Otherwise unusual noises and vibrations may result 3 Tighten the flange nut at a torque of 15N m 153kgf cm To tighten the flange nut turn it counterclockwise 4 Remove the clamp filter from the fan motor with trouble then attach the clamp filter to the substitution in the same way as before replacement Wind the fan motor lead once around the clamp fi...

Page 265: ...aterproof board M4 10 2 pcs 6 Remove the brazed joints of the piping connected 2 locations 7 Remove the screws for the heat exchanger end plate and pull the heat exchanger out M5 10 2 pcs s k r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N With a 14 16HP unit remove the discharge cabinet anchor plates Left and right M5 2 2 pcs 2 sets With a 14 16HP unit also remove the braz...

Page 266: ...ismantling procedure in reverse 7 1 Before pushing the lower part in pull the reactor leads out Take care so that the wiring does not get caught in the way Reconnect all the wiring s k r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N 4 Steps only applicable to a 14 16HP unit Remove the reactor lead cover M4 10 1 pc Remove the screws securing the box M4 10 1 pc Detach the rea...

Page 267: ...replace the reactor M4 6 1 pc 14 16HP case 8 10 12HP case s k r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N 3 With a 14 16HP unit remove the separately mounted reactor box To remove the reactor box remove the screws at the top and bottom M5 10 and unlock the box by sliding the stopper to the right Before pulling the reactor box tilt it back to free the bottom With a 14 16...

Page 268: ...b o t t r a P o N SV3B SV3D SV42 PD sensor PS sensor SV41 Accumulator Rear Front Inverter assembly Liquid tank Oil separator Compressor 1 SV2 SV5 SV3A SV3C SV3E Compressor 2 SV3B SV3D SV42 SV43 PD sensor PS sensor SV41 Accumulator Rear Front Inverter assembly Liquid tank Oil separator Compressor 1 SV2 SV6 SV3A SV3C SV3E SV3F Compressor 2 Compressor 3 ...

Page 269: ...w s k r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N TD1 sensor yellow TD2 sensor red Accumulator Compressor 1 Compressor 2 TS1 sensor gray TK4 sensor white TK5 sensor green Accumulator Liquid tank Oil separator TK1 sensor black One closer to you TK2 sensor blue One farther from you TL sensor white ...

Page 270: ... e c o r p k r o W d e c a l p e r e b o t t r a P o N Accumulator Compressor 1 Compressor 2 Compressor 3 TD1 sensor yellow TD2 sensor red TD3 sensor black Accumulator Liquid tank Oil separator TK4 sensor white TS1 sensor gray TK3 sensor yellow TK1 sensor black One closer to you TK5 sensor green TL sensor white TK2 sensor blue One farther from you ...

Page 271: ...r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N SV41 valve Suction pipe Ø8 0 Ø19 05 SV42 valve Suction pipe Ø8 0 Ø19 05 SV2 valve Discharge pipe Ø6 35 Ø15 88 Oil header Liquid pipe Ø25 4 Ø12 7 Suction pipe Distributor Ø19 05 Ø22 22 SV41 valve Suction pipe Ø8 0 Ø19 1 SV42 valve Suction pipe Ø8 0 Ø19 1 SV43 valve Suction pipe Ø8 0 Ø19 1 SV2 valve Discharge pipe Ø6 35 Ø19 1 Li...

Page 272: ...aced the other way around but only at the expense of work efficiency 3 Place the SUS band tightly around the pipe fixing rubber so that there is no gap between them Take utmost care not to create a gap over the curved section of the rubber where the hairpin side of the band is located 4 While holding the rubber press down the base of the hook lightly against the rubber and engage the hook with the...

Page 273: ... the end sections of the pipes above the 4 way valve which were cut in step 5 8 Install a new 4 way valve Provide adequate cover for the 4 way valve to protect it from overheating During the installation insert pipes firmly into the 4 way valve or a blockage or leakage involving brazing filler metal may result 9 Reinstall the PMV assembly which was removed in step 4 Provide adequate cover for the ...

Page 274: ...emove the end sections of the pipes above the 4 way valve which were cut in step 5 8 Install a new 4 way valve Provide adequate cover for the 4 way valve to protect it from overheating During the installation insert pipes firmly into the 4 way valve or a blockage or leakage involving brazing filler metal may result 9 Reinstall the PMV assembly which was removed in step 4 Provide adequate cover for...

Page 275: ...test operation etc Replacement procedure Method 1 If it is possible to turn on the indoor unit and read the setting data from the P C board to be replaced via a wired remote controller Reading EEPROM data Procedure 1 Replacing P C board and turning on power Procedure 2 Writing EEPROM data in new EEPROM Procedure 3 Resetting power supply applicable to all indoor units connected to remote controller...

Page 276: ...d the method to replace it see the EEPROM Location Diagram section The old EEPROM supplied with the P C board to be replaced and now mounted on the service P C board needs to be replaced with the new EEPROM supplied with the service P C board Replacing P C board and turning on power Procedure 2 Writing EEPROM data in new EEPROM Procedure 3 Resetting power supply applicable to all indoor units conn...

Page 277: ...from 10 to 01 To set filter sign lighting time Jot down the setting data displayed 5 Change the CODE No DN code using the button Again jot down the setting data displayed 6 Repeat step 5 until all the setting data has been jotted down See the CODE No list CODE No DN code go from 01 to FF with a few gaps along the way 7 When finished push the button to bring the system back to normal off state 6 It...

Page 278: ...r units in the same group b Turn on the indoor unit and proceed to Procedure 3 Be sure to restore the temporarily removed group control wiring and CN41 connectors to their initial states after Procedure 3 has been completed CN34 red SW501 J01 J02 MCC 1403 MCC 1402 MCC 1570 CN030 CN41 CN34 CN041 Connector for drain pump CN504 AP009 AP030 AP036 AP056 Cut Present factory default J02 If a short circui...

Page 279: ... Push the button to bring the system back to normal off state 6 4 Next write any setting changes made on site after installation such as address settings in the EEPROM Perform the tasks specified in step 1 again 5 Use the button to set the CODE No DN code to 01 To set filter sign lighting time 6 Check the value displayed with the value jotted down in Procedure 1 and information proved by the custo...

Page 280: ...talling it adjust its orientation as shown in the diagram below During EEPROM removal installation take care not to bend IC leads IC503 P C board MCC 1402 P C board MCC 1570 P C board MCC 1403 EEPROM IC10 EEPROM IC10 IC socket Notch Notch EEPROM EEPROM IC503 When installing the EEPROM align its notch with that of the IC socket ...

Page 281: ...tatic pressure 0000 Body sensor 5d d r a d n a t S 0 0 0 0 t c e l e s g n i l i e c h g i H 60 Timer setting wired remote controller 0000 Available F0 d r a d n a t S 1 0 0 0 e d o m g n i w S F1 y l n o e p y t y a w 4 d e x i f t o N 0 0 0 0 1 o N p a l F n o i t i s o p g n i x i f r e v u o L F2 y l n o e p y t y a w 4 d e x i f t o N 0 0 0 0 2 o N p a l F n o i t i s o p g n i x i f r e v u ...

Page 282: ...on terminal block Magnet switch Inverter P C board for Compressor 1 MCC 1596 Inverter P C board for Compressor 2 MCC 1596 Inverter P C board for Compressor 3 MCC 1596 Part code Description Applicable model P C board type code Product code 43T6V373 Interface P C board MMY MAP0804 MMY MAP1004 MMY MAP1204 MMY MAP1404 MMY MAP1604 MCC 1606 ASM PCB I F U D P I 3 A B C P M S A 6 9 5 1 C C M d r a o b C P...

Page 283: ...the switch settings of the PCB being replaced 6 Install the service board to the outdoor control unit Confirm that it is securely fixed to the PCB Mounts 7 Connect the connectors and fast on terminals Confirm that they are correctly and securely inserted 8 If a component on the board is bent during board replacement adjust it manually ensuring that it is not short or contact other parts 9 Install ...

Page 284: ...DU from the four spacers 3 by pinching the top of the spacers by round nose pliers 5 Confirm that no dirt or damage is on the insulation sheet flesh color on the heat sink As it can reduce the heat transfer efficiency and can cause a breakdown If the insulation sheet comes off the heat sink re apply the insulation sheet as shown in the following figure Compressor IPDU MCC 1596 Ex MMY MAP1004HT8P C...

Page 285: ...for DB01 is 0 55Nm and it for Q201 is 1 2Nm 9 Re connect the connectors and fast on terminals 1 Be sure that all the connectors and the fast on terminals are connected correctly and securely inserted 10 If the components on the PCB were bent during this procedure straighten them so they do not touch other parts 11 Install the cover then turn on the supply Check the operation ON 3 4 2 1 ON 3 4 2 1 ...

Page 286: ...utdoor control unit by clipping the PCB into the PCB mounts 3 7 Screw the FAN IPDU to the heat sink by the five screws that were removed in step 3 If the screws are loose the effected component will generate heat and cause in to breakdown Do not use an electric driver or an air driver as it can cause component damage The torque of 5 screws IC701 DB509 DB510 and Q590 is 0 55Nm 8 Re connect the conn...

Page 287: ...1 Remove the screws on the power supply terminal block 4 and the screws 3 securing the terminal block sub assembly 1 The screws will be reused during the installation of the service P C board so keep them in a safe place 7 Card edge spacer 8 8 3 Example MMY MAP1004HT8P Noise filter P C board Noise filter P C board MCC 1608 9 Line filter Noise filter P C board A MCC 1608 Noise filter P C board B MC...

Page 288: ...ilter 9 and its leads both connected to the screw on terminals 8 of the just removed noise filter P C board A and reinstall them on the service P C board A by firmly connecting them to the screw on terminals 8 in the same manner as before Line Filter installation Screw the line filter and the connecting wires together to the terminals as below The torque of 6 screws of the line filter is 2 5Nm Ple...

Page 289: ...ect the wiring using the connectors and fastons removed in step 3 Make sure that the connectors and fastons are connected correctly and securely 10 If any component on the P C board becomes crooked during replacement straighten it without touching any other component 11 Mount the terminal block sub assembly 1 and firmly secure it using the screws 3 12 Securely connect the red white and black leads...

Page 290: ... 289 14EXPLODED DIAGRAM PARTS LIST SMMS i OUTDOOR UNIT MMY MAP0804HT8P MMY MAP1004HT8P MMY MAP1204HT8P 035 002 064 065 001 037 053 036 058 003 060 055 052 004 061 007 009 077 068 059 011 ...

Page 291: ...027 018 018 027 SV3C 030 SV3E 018 027 SV2 027 018 067 041 028 023 022 017 057 026 027 SV5 056 043 015 014 069 025 019 043 013 070 008 027 026 007 009 042 032 010 040 066 066 067 072 045 046 078 066 078 050 046 SV4 047 051 078 044 048 078 ...

Page 292: ...043 056 018 032 026 008 007 018 083 075 075 083 007 026 018 083 074 043 023 057 018 021 041 042 013 018 084 081 086 015 014 040 028 083 074 083 073 008 043 LIQUID LINE VALVE PACKED GAS LINE VALVE SERVICE OIL BALANCE LINE VALVE PACKED VALVE 2WAY CAPILLARY TUBE JOINT CHECK STRAINER SENSOR TEMPERATURE DISTRIBUTOR VALVE CHECKED LOW PRESSURE SENSOR PLUG FUSIBLE SEPARATOR OIL HIGH PRESSURE SWITCH Symbol...

Page 293: ... 292 SMMS i OUTDOOR UNIT MMY MAP1404HT8P MMY MAP1604HT8P 035 002 001 064 065 011 054 039 053 038 058 005 052 055 062 059 063 006 007 009 068 077 ...

Page 294: ...2 015 017 023 022 024 040 027 018 027 018 029 047 049 078 078 046 051 027 018 016 020 016 021 066 2 047 049 041 047 044 078 072 016 020 049 046 031 051 047 078 046 050 078 045 045 078 050 046 078 050 046 078 079 078 032 010 066 066 SV3B SV3E SV3D SV3F SV2 SV6 SV41 SV42 SV43 056 057 078 027 018 042 027 018 SV3A SV3C 065 070 071 ...

Page 295: ...26 026 040 008 040 018 008 083 040 083 043 056 032 083 FAN MOTOR FAN VALVE 4WAY LIQUID LINE VALVE SERVICE GAS LINE VALVE SERVICE OIL BALANCE LINE VALVE PACKED VALVE 2WAY CAPILLARY TUBE JOINT STRAINER SENSOR TEMPERATURE DISTRIBUTOR VALVE Symbol OIL HEADER HIGH PRESSURE SWITCH HIGH PRESSURE SWITCH ACCUMULATOR LOW PRESSURE SENSOR HIGH PRESSURE SWITCH SEPARATOR OIL TANK LIQUID PLUG FUSIBLE CONDENSER R...

Page 296: ...8 VALVE 2WAY 5 5 5 5 5 019 43T46407 COIL PMV 2 2 2 3 3 020 43T46410 VALVE 2WAY 2 2 021 43T46411 VALVE 2WAY 1 1 1 1 1 022 43T46397 VALVE 4WAY 1 1 1 1 1 023 43T46395 VALVE CHECK 1 1 1 1 1 024 43T46396 VALVE CHECK 1 1 025 43T46394 VALVE PMV 2 2 2 3 3 026 43T46412 VALVE 2WAY 3 3 3 3 3 027 43T46405 COIL VALVE 2WAY 8 8 8 8 8 028 43T48306 SEPARATOR 1 1 1 029 43T48307 SEPARATOR 1 1 030 43T48308 TANK LIQUI...

Page 297: ... NUT FLANGE 1 1 1 1 1 065 43T39350 WASHER 1 1 1 1 1 066 43T49347 RUBBER SUPPORTER PIPE 4 4 4 5 5 067 43T49360 RUBBER SUPPORTER PIPE 2 2 2 068 43T49357 RUBBER CUSHION 6 6 6 9 9 069 43T47333 BONNET 12 70 DIA Made in Thailand 1 1 1 070 43T47332 BONNET 9 52 DIA Made in Thailand 1 1 1 1 1 071 43T47334 BONNET 15 88 DIA 1 1 072 43T49338 FUSIBLE PLUG Made in Japan 1 1 1 1 1 073 43T47374 TUBE CAPILLARY ID ...

Page 298: ...SW06 L1 R CN32 L2 S CN31 CN33 L3 T WHI RED BLK 1 600V 75A 22m m 2 L 1 L 2 C Q C J X O 6 0 0 4 L 3 N O LD E R 4 0mm 2 BLU WHI BLU WHI WHI JXO B2F 600V WHI WHI WHI CN12 WHI P15 L2 S L1 R CN11 RED L3 T CN13 BLK P17 GRY CN24 CN22 CN23 RED CN50 CN14 GRY L1 R L2 S CN41 RED L3 T CN42 WHI CN43 BLK L2 S L1 R CN31 RED N CN34 L3 T CN32 CN33 WHI BLK 706 707 707 703 711 712 713 718 719 717 709 721 TD1 TD2 TK1 ...

Page 299: ...OMP2 COMP1 JXO 6B COMP3 1 600V 75A 22m m 2 L1 L2 C Q C J X O 6 0 0 4 L3 N O LD ER 4 0mm 2 WHI WHI WHI BLU WHI BLU BLU WHI BLU 600V JXO B2F WHI WHI WHI CN12 WHI P15 L2 S L1 R CN11 RED L3 T CN13 BLK P17 GRY CN24 CN22 CN23 RED CN50 CN14 GRY L1 R L2 S CN41 RED L3 T CN42 WHI CN43 BLK L2 S L1 R CN31 L3 T CN32 CN33 RED N CN34 WHI BLK 706 707 707 707 703 712 711 713 717 718 719 709 721 TD1 TD2 TD3 TK1 TK2...

Page 300: ... 708 43T60423 TERMINAL 6P 1 1 709 43T52317 CONTACTOR MAGNETIC 1 1 1 1 1 710 43T60436 TERMINAL 6P 1 1 1 1 1 711 43T95301 SUPPORT SPACER 3 3 3 3 3 712 43T95302 SPACER EDGE 10 10 10 10 10 713 43T6V372 PC BOARD ASSY NOISE FILTER MCC 1608 1 1 1 1 1 714 43T6V373 PC BOARD ASSY INTERFACE MCC 1606 1 1 1 1 1 715 43T6V371 PC BOARD ASSY FAN IPDU MCC 1610 1 1 1 1 1 716 43T6V374 PC BOARD ASSY COMP IPDU MCC 1596...

Page 301: ... 300 SMMS i OUTDOOR UNIT MMY MAP0804T8P MMY MAP1004T8P MMY MAP1204T8P 035 002 064 065 001 037 053 036 058 003 060 055 052 004 061 007 009 077 068 059 011 ...

Page 302: ...V3A 027 018 018 027 SV3C 030 SV3E 018 027 SV2 027 018 067 041 028 023 057 026 027 SV5 056 043 015 014 069 025 019 043 013 070 008 027 026 007 009 042 032 010 040 066 066 067 072 045 046 078 066 078 050 046 SV4 047 051 078 044 048 078 ...

Page 303: ...043 056 018 032 026 008 007 018 083 075 075 083 007 026 018 083 074 043 023 057 018 021 041 042 013 018 084 081 086 015 014 040 028 083 074 083 073 008 043 LIQUID LINE VALVE PACKED GAS LINE VALVE SERVICE OIL BALANCE LINE VALVE PACKED VALVE 2WAY CAPILLARY TUBE JOINT CHECK STRAINER SENSOR TEMPERATURE DISTRIBUTOR VALVE CHECKED LOW PRESSURE SENSOR PLUG FUSIBLE SEPARATOR OIL HIGH PRESSURE SWITCH Symbol...

Page 304: ... 303 SMMS i OUTDOOR UNIT MMY MAP1404T8P MMY MAP1604T8P 035 002 001 064 065 011 054 039 053 038 058 005 052 055 062 059 063 006 007 009 068 077 ...

Page 305: ...3 012 015 023 024 040 027 018 027 018 029 047 049 078 078 046 051 027 018 016 020 016 021 066 2 047 049 041 047 044 078 072 016 020 049 046 031 051 047 078 046 050 078 045 045 078 050 046 078 050 046 078 079 078 032 010 066 066 SV3B SV3E SV3D SV3F SV2 SV6 SV41 SV42 SV43 056 057 078 027 018 042 027 018 SV3A SV3C 065 070 071 ...

Page 306: ...26 026 040 008 040 018 008 083 040 083 043 056 032 083 FAN MOTOR FAN VALVE 4WAY LIQUID LINE VALVE SERVICE GAS LINE VALVE SERVICE OIL BALANCE LINE VALVE PACKED VALVE 2WAY CAPILLARY TUBE JOINT STRAINER SENSOR TEMPERATURE DISTRIBUTOR VALVE Symbol OIL HEADER HIGH PRESSURE SWITCH HIGH PRESSURE SWITCH ACCUMULATOR LOW PRESSURE SENSOR HIGH PRESSURE SWITCH SEPARATOR OIL TANK LIQUID PLUG FUSIBLE CONDENSER R...

Page 307: ... 2WAY 5 5 5 5 5 019 43T46407 COIL PMV 2 2 2 3 3 020 43T46410 VALVE 2WAY 2 2 021 43T46411 VALVE 2WAY 1 1 1 1 1 023 43T46395 VALVE CHECK 1 1 1 1 1 024 43T46396 VALVE CHECK 1 1 025 43T46394 VALVE PMV 2 2 2 3 3 026 43T46412 VALVE 2WAY 3 3 3 3 3 027 43T46405 COIL VALVE 2WAY 8 8 8 8 8 028 43T48306 SEPARATOR 1 1 1 029 43T48307 SEPARATOR 1 1 030 43T48308 TANK LIQUID 1 1 1 031 43T48309 TANK LIQUID 1 1 032 ...

Page 308: ...T39350 WASHER 1 1 1 1 1 066 43T49347 RUBBER SUPPORTER PIPE 4 4 4 5 5 067 43T49360 RUBBER SUPPORTER PIPE 2 2 2 068 43T49357 RUBBER CUSHION 6 6 6 9 9 069 43T47333 BONNET 12 70 DIA Made in Thailand 1 1 1 070 43T47332 BONNET 9 52 DIA Made in Thailand 1 1 1 1 1 071 43T47334 BONNET 15 88 DIA 1 1 072 43T49338 FUSIBLE PLUG Made in Japan 1 1 1 1 1 073 43T47374 TUBE CAPILLARY ID 0 8 1 1 1 1 1 074 43T47375 T...

Page 309: ...W06 L1 R CN32 L2 S CN31 CN33 L3 T WHI RED BLK 1 600V 75A 22m m 2 L 1 L 2 C Q C J X O 6 0 0 4 L 3 N O LD E R 4 0mm 2 BLU WHI BLU WHI WHI JXO B2F 600V WHI WHI WHI CN12 WHI P15 L2 S L1 R CN11 RED L3 T CN13 BLK P17 GRY CN24 CN22 CN23 RED CN50 CN14 GRY L1 R L2 S CN41 RED L3 T CN42 WHI CN43 BLK L2 S L1 R CN31 RED N CN34 L3 T CN32 CN33 WHI BLK 706 707 707 703 711 712 713 718 719 717 709 721 TD1 TD2 TK1 T...

Page 310: ...MP2 COMP1 JXO 6B COMP3 1 600V 75A 22m m 2 L1 L2 C Q C J X O 6 0 0 4 L3 N O LD ER 4 0mm 2 WHI WHI WHI BLU WHI BLU BLU WHI BLU 600V JXO B2F WHI WHI WHI CN12 WHI P15 L2 S L1 R CN11 RED L3 T CN13 BLK P17 GRY CN24 CN22 CN23 RED CN50 CN14 GRY L1 R L2 S CN41 RED L3 T CN42 WHI CN43 BLK L2 S L1 R CN31 L3 T CN32 CN33 RED N CN34 WHI BLK 706 707 707 707 703 712 711 713 717 718 719 709 721 TD1 TD2 TD3 TK1 TK2 ...

Page 311: ...3T60423 TERMINAL 6P 1 1 709 43T52317 CONTACTOR MAGNETIC 1 1 1 1 1 710 43T60436 TERMINAL 6P 1 1 1 1 1 711 43T95301 SUPORT SPACER 3 3 3 3 3 712 43T95302 SPACER EDGE 10 10 10 10 10 713 43T6V372 PC BOARD ASSY NOISE FILTER MCC 1608 1 1 1 1 1 714 43T6V373 PC BOARD ASSY INTERFACE MCC 1606 1 1 1 1 1 715 43T6V371 PC BOARD ASSY FAN IPDU MCC 1610 1 1 1 1 1 716 43T6V374 PC BOARD ASSY COMP IPDU MCC 1596 2 2 2 ...

Page 312: ... 311 SMMS i OUTDOOR UNIT MMY MAP0804HT7P MMY MAP1004HT7P MMY MAP1204HT7P 035 002 064 065 001 037 053 036 058 003 060 055 052 004 061 007 009 077 068 059 011 ...

Page 313: ...027 018 018 027 SV3C 030 SV3E 018 027 SV2 027 018 067 041 028 023 022 017 057 026 027 SV5 056 043 015 014 069 025 019 043 013 070 008 027 026 007 009 042 032 010 040 066 066 067 072 045 046 078 066 078 050 046 SV4 047 051 078 044 048 078 ...

Page 314: ...043 056 018 032 026 008 007 018 083 075 075 083 007 026 018 083 074 043 023 057 018 021 041 042 013 018 084 081 086 015 014 040 028 083 074 083 073 008 043 LIQUID LINE VALVE PACKED GAS LINE VALVE SERVICE OIL BALANCE LINE VALVE PACKED VALVE 2WAY CAPILLARY TUBE JOINT CHECK STRAINER SENSOR TEMPERATURE DISTRIBUTOR VALVE CHECKED LOW PRESSURE SENSOR PLUG FUSIBLE SEPARATOR OIL HIGH PRESSURE SWITCH Symbol...

Page 315: ... 314 SMMS i OUTDOOR UNIT MMY MAP1404HT7P MMY MAP1604HT7P 035 002 001 064 065 011 054 039 053 038 058 005 052 055 062 059 063 006 007 009 068 077 ...

Page 316: ...2 015 017 023 022 024 040 027 018 027 018 029 047 049 078 078 046 051 027 018 016 020 016 021 066 2 047 049 041 047 044 078 072 016 020 049 046 031 051 047 078 046 050 078 045 045 078 050 046 078 050 046 078 079 078 032 010 066 066 SV3B SV3E SV3D SV3F SV2 SV6 SV41 SV42 SV43 056 057 078 027 018 042 027 018 SV3A SV3C 065 070 071 ...

Page 317: ...26 026 040 008 040 018 008 083 040 083 043 056 032 083 FAN MOTOR FAN VALVE 4WAY LIQUID LINE VALVE SERVICE GAS LINE VALVE SERVICE OIL BALANCE LINE VALVE PACKED VALVE 2WAY CAPILLARY TUBE JOINT STRAINER SENSOR TEMPERATURE DISTRIBUTOR VALVE Symbol OIL HEADER HIGH PRESSURE SWITCH HIGH PRESSURE SWITCH ACCUMULATOR LOW PRESSURE SENSOR HIGH PRESSURE SWITCH SEPARATOR OIL TANK LIQUID PLUG FUSIBLE CONDENSER R...

Page 318: ...T46408 VALVE 2WAY 5 5 5 5 5 019 43T46407 COIL PMV 2 2 2 3 3 020 43T46410 VALVE 2WAY 2 2 021 43T46411 VALVE 2WAY 1 1 1 1 1 022 43T46397 VALVE 4WAY 1 1 1 1 1 023 43T46395 VALVE CHECK 1 1 1 1 1 024 43T46396 VALVE CHECK 1 1 025 43T46394 VALVE PMV 2 2 2 3 3 026 43T46412 VALVE 2WAY 3 3 3 3 3 027 43T46406 COIL VALVE 2WAY 8 8 8 8 8 028 43T48306 SEPARATOR 1 1 1 029 43T48307 SEPARATOR 1 1 030 43T48308 TANK ...

Page 319: ...BACK DOWN 1 1 064 43T39351 NUT FLANGE 1 1 1 1 1 065 43T39350 WASHER 1 1 1 1 1 066 43T49347 RUBBER SUPPORTER PIPE 4 4 4 5 5 067 43T49360 RUBBER SUPPORTER PIPE 2 2 2 068 43T49357 RUBBER CUSHION 6 6 6 9 9 069 43T47333 BONNET 12 70 DIA Made in Thailand 1 1 1 070 43T47332 BONNET 9 52 DIA Made in Thailand 1 1 1 1 1 071 43T47334 BONNET 15 88 DIA 1 1 072 43T49338 FUSIBLE PLUG Made in Japan 1 1 1 1 1 073 4...

Page 320: ...SW06 L1 R CN32 L2 S CN31 CN33 L3 T WHI RED BLK 1 600V 75A 22m m 2 L 1 L 2 C Q C J X O 6 0 0 4 L 3 N O LD E R 4 0mm 2 BLU WHI BLU WHI WHI JXO B2F 600V WHI WHI WHI CN12 WHI P15 L2 S L1 R CN11 RED L3 T CN13 BLK P17 GRY CN24 CN22 CN23 RED CN50 CN14 GRY L1 R L2 S CN41 RED L3 T CN42 WHI CN43 BLK L2 S L1 R CN31 RED N CN34 L3 T CN32 CN33 WHI BLK 706 707 707 703 711 712 713 718 719 717 709 721 TD1 TD2 TK1 ...

Page 321: ...OMP2 COMP1 JXO 6B COMP3 1 600V 75A 22m m 2 L1 L2 C Q C J X O 6 0 0 4 L3 N O LD ER 4 0mm 2 WHI WHI WHI BLU WHI BLU BLU WHI BLU 600V JXO B2F WHI WHI WHI CN12 WHI P15 L2 S L1 R CN11 RED L3 T CN13 BLK P17 GRY CN24 CN22 CN23 RED CN50 CN14 GRY L1 R L2 S CN41 RED L3 T CN42 WHI CN43 BLK L2 S L1 R CN31 L3 T CN32 CN33 RED N CN34 WHI BLK 706 707 707 707 703 712 711 713 717 718 719 709 721 TD1 TD2 TD3 TK1 TK2...

Page 322: ...8 43T60423 TERMINAL 6P 1 1 709 43T52317 CONTACTOR MAGNETIC 1 1 1 1 1 710 43T60436 TERMINAL 6P 1 1 1 1 1 711 43T95301 SUPORT SPACER 3 3 3 3 3 712 43T95302 SPACER EDGE 10 10 10 10 10 713 43T6V372 PC BOARD ASSY NOISE FILTER MCC 1608 1 1 1 1 1 714 43T6V373 PC BOARD ASSY INTERFACE MCC 1606 1 1 1 1 1 715 43T6V371 PC BOARD ASSY FAN IPDU MCC 1610 1 1 1 1 1 716 43T6V374 PC BOARD ASSY COMP IPDU MCC 1596 2 2...

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